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Finding the Fourth Proportional to 39,773.32, 59,669.72 and 19,792.24

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Solution

The fourth proportional to 39,773.32, 59,669.72 and 19,792.24 is: 29,693.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,773.32 : 59,669.72 = 19,792.24 : x
  2. Step 2: Convert to fraction form
    39,773.32/59,669.72 = 19,792.24/x
  3. Step 3: Cross multiply
    39,773.32x = 59,669.72 × 19,792.24
  4. Step 4: Simplify right side
    39,773.32x = 1,180,997,418.97
  5. Step 5: Solve for x
    x = 1,180,997,418.97/39,773.32
  6. Step 6: Final answer
    x = 29,693.21

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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.