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Finding the Fourth Proportional to 69,470.64, 95,871.24 and 42,597.72

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Solution

The fourth proportional to 69,470.64, 95,871.24 and 42,597.72 is: 58,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,470.64 : 95,871.24 = 42,597.72 : x
  2. Step 2: Convert to fraction form
    69,470.64/95,871.24 = 42,597.72/x
  3. Step 3: Cross multiply
    69,470.64x = 95,871.24 × 42,597.72
  4. Step 4: Simplify right side
    69,470.64x = 4,083,896,237.57
  5. Step 5: Solve for x
    x = 4,083,896,237.57/69,470.64
  6. Step 6: Final answer
    x = 58,785.93

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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.