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Finding the Fourth Proportional to 29,065.97, 40,111.80 and 16,320.17

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Solution

The fourth proportional to 29,065.97, 40,111.80 and 16,320.17 is: 22,522.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,065.97 : 40,111.80 = 16,320.17 : x
  2. Step 2: Convert to fraction form
    29,065.97/40,111.80 = 16,320.17/x
  3. Step 3: Cross multiply
    29,065.97x = 40,111.80 × 16,320.17
  4. Step 4: Simplify right side
    29,065.97x = 654,631,194.45
  5. Step 5: Solve for x
    x = 654,631,194.45/29,065.97
  6. Step 6: Final answer
    x = 22,522.26

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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.