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Finding the Fourth Proportional to 82,403.50, 123,531.95 and 29,801.29

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Solution

The fourth proportional to 82,403.50, 123,531.95 and 29,801.29 is: 44,675.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,403.50 : 123,531.95 = 29,801.29 : x
  2. Step 2: Convert to fraction form
    82,403.50/123,531.95 = 29,801.29/x
  3. Step 3: Cross multiply
    82,403.50x = 123,531.95 × 29,801.29
  4. Step 4: Simplify right side
    82,403.50x = 3,681,411,317.21
  5. Step 5: Solve for x
    x = 3,681,411,317.21/82,403.50
  6. Step 6: Final answer
    x = 44,675.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.