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Finding the Fourth Proportional to 48,605.92, 72,642.54 and 35,485.92

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Solution

The fourth proportional to 48,605.92, 72,642.54 and 35,485.92 is: 53,034.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,605.92 : 72,642.54 = 35,485.92 : x
  2. Step 2: Convert to fraction form
    48,605.92/72,642.54 = 35,485.92/x
  3. Step 3: Cross multiply
    48,605.92x = 72,642.54 × 35,485.92
  4. Step 4: Simplify right side
    48,605.92x = 2,577,787,363.04
  5. Step 5: Solve for x
    x = 2,577,787,363.04/48,605.92
  6. Step 6: Final answer
    x = 53,034.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.