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Finding the Fourth Proportional to 66,753.93, 92,120.53 and 36,541.17

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Solution

The fourth proportional to 66,753.93, 92,120.53 and 36,541.17 is: 50,426.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,753.93 : 92,120.53 = 36,541.17 : x
  2. Step 2: Convert to fraction form
    66,753.93/92,120.53 = 36,541.17/x
  3. Step 3: Cross multiply
    66,753.93x = 92,120.53 × 36,541.17
  4. Step 4: Simplify right side
    66,753.93x = 3,366,191,924.38
  5. Step 5: Solve for x
    x = 3,366,191,924.38/66,753.93
  6. Step 6: Final answer
    x = 50,426.87

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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.