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Finding the Fourth Proportional to 69,565.74, 104,332.77 and 19,651.02

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Solution

The fourth proportional to 69,565.74, 104,332.77 and 19,651.02 is: 29,472.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,565.74 : 104,332.77 = 19,651.02 : x
  2. Step 2: Convert to fraction form
    69,565.74/104,332.77 = 19,651.02/x
  3. Step 3: Cross multiply
    69,565.74x = 104,332.77 × 19,651.02
  4. Step 4: Simplify right side
    69,565.74x = 2,050,245,349.93
  5. Step 5: Solve for x
    x = 2,050,245,349.93/69,565.74
  6. Step 6: Final answer
    x = 29,472.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.