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Finding the Fourth Proportional to 69,332.95, 95,653.81 and 45,472.87

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Solution

The fourth proportional to 69,332.95, 95,653.81 and 45,472.87 is: 62,735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,332.95 : 95,653.81 = 45,472.87 : x
  2. Step 2: Convert to fraction form
    69,332.95/95,653.81 = 45,472.87/x
  3. Step 3: Cross multiply
    69,332.95x = 95,653.81 × 45,472.87
  4. Step 4: Simplify right side
    69,332.95x = 4,349,653,267.13
  5. Step 5: Solve for x
    x = 4,349,653,267.13/69,332.95
  6. Step 6: Final answer
    x = 62,735.73

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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.