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Finding the Fourth Proportional to 22,503.88, 31,050.10 and 13,066.76

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Solution

The fourth proportional to 22,503.88, 31,050.10 and 13,066.76 is: 18,029.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,503.88 : 31,050.10 = 13,066.76 : x
  2. Step 2: Convert to fraction form
    22,503.88/31,050.10 = 13,066.76/x
  3. Step 3: Cross multiply
    22,503.88x = 31,050.10 × 13,066.76
  4. Step 4: Simplify right side
    22,503.88x = 405,724,204.68
  5. Step 5: Solve for x
    x = 405,724,204.68/22,503.88
  6. Step 6: Final answer
    x = 18,029.08

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Half scale
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Double scale
Find fourth proportional to 22,504.88, 31,051.48 and 13,067.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.