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Finding the Fourth Proportional to 67,224.29, 92,569.43 and 65,732.49

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Solution

The fourth proportional to 67,224.29, 92,569.43 and 65,732.49 is: 90,515.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,224.29 : 92,569.43 = 65,732.49 : x
  2. Step 2: Convert to fraction form
    67,224.29/92,569.43 = 65,732.49/x
  3. Step 3: Cross multiply
    67,224.29x = 92,569.43 × 65,732.49
  4. Step 4: Simplify right side
    67,224.29x = 6,084,818,803.12
  5. Step 5: Solve for x
    x = 6,084,818,803.12/67,224.29
  6. Step 6: Final answer
    x = 90,515.19

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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.