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Finding the Fourth Proportional to 14,353.82, 19,808.28 and 8,066.24

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Solution

The fourth proportional to 14,353.82, 19,808.28 and 8,066.24 is: 11,131.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,353.82 : 19,808.28 = 8,066.24 : x
  2. Step 2: Convert to fraction form
    14,353.82/19,808.28 = 8,066.24/x
  3. Step 3: Cross multiply
    14,353.82x = 19,808.28 × 8,066.24
  4. Step 4: Simplify right side
    14,353.82x = 159,778,340.47
  5. Step 5: Solve for x
    x = 159,778,340.47/14,353.82
  6. Step 6: Final answer
    x = 11,131.42

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Half scale
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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.