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Finding the Fourth Proportional to 69,572.95, 95,973.90 and 49,437.97

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Solution

The fourth proportional to 69,572.95, 95,973.90 and 49,437.97 is: 68,198.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,572.95 : 95,973.90 = 49,437.97 : x
  2. Step 2: Convert to fraction form
    69,572.95/95,973.90 = 49,437.97/x
  3. Step 3: Cross multiply
    69,572.95x = 95,973.90 × 49,437.97
  4. Step 4: Simplify right side
    69,572.95x = 4,744,754,788.98
  5. Step 5: Solve for x
    x = 4,744,754,788.98/69,572.95
  6. Step 6: Final answer
    x = 68,198.27

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1.5x scale

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.