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Finding the Fourth Proportional to 22,484.76, 31,028.96 and 12,548.76

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Solution

The fourth proportional to 22,484.76, 31,028.96 and 12,548.76 is: 17,317.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,484.76 : 31,028.96 = 12,548.76 : x
  2. Step 2: Convert to fraction form
    22,484.76/31,028.96 = 12,548.76/x
  3. Step 3: Cross multiply
    22,484.76x = 31,028.96 × 12,548.76
  4. Step 4: Simplify right side
    22,484.76x = 389,374,972.09
  5. Step 5: Solve for x
    x = 389,374,972.09/22,484.76
  6. Step 6: Final answer
    x = 17,317.28

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Double scale
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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.