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Finding the Fourth Proportional to 66,761.68, 92,127.72 and 36,541.48

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Solution

The fourth proportional to 66,761.68, 92,127.72 and 36,541.48 is: 50,425.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,761.68 : 92,127.72 = 36,541.48 : x
  2. Step 2: Convert to fraction form
    66,761.68/92,127.72 = 36,541.48/x
  3. Step 3: Cross multiply
    66,761.68x = 92,127.72 × 36,541.48
  4. Step 4: Simplify right side
    66,761.68x = 3,366,483,237.83
  5. Step 5: Solve for x
    x = 3,366,483,237.83/66,761.68
  6. Step 6: Final answer
    x = 50,425.38

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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.