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Finding the Fourth Proportional to 92,728.97, 127,952.51 and 51,892.90

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Solution

The fourth proportional to 92,728.97, 127,952.51 and 51,892.90 is: 71,604.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,728.97 : 127,952.51 = 51,892.90 : x
  2. Step 2: Convert to fraction form
    92,728.97/127,952.51 = 51,892.90/x
  3. Step 3: Cross multiply
    92,728.97x = 127,952.51 × 51,892.90
  4. Step 4: Simplify right side
    92,728.97x = 6,639,826,226.83
  5. Step 5: Solve for x
    x = 6,639,826,226.83/92,728.97
  6. Step 6: Final answer
    x = 71,604.66

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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.