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Finding the Fourth Proportional to 69,470.40, 95,868.96 and 37,639.32

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Solution

The fourth proportional to 69,470.40, 95,868.96 and 37,639.32 is: 51,942.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,470.40 : 95,868.96 = 37,639.32 : x
  2. Step 2: Convert to fraction form
    69,470.40/95,868.96 = 37,639.32/x
  3. Step 3: Cross multiply
    69,470.40x = 95,868.96 × 37,639.32
  4. Step 4: Simplify right side
    69,470.40x = 3,608,442,463.51
  5. Step 5: Solve for x
    x = 3,608,442,463.51/69,470.40
  6. Step 6: Final answer
    x = 51,942.16

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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.