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Finding the Fourth Proportional to 7,237.73, 9,976.50 and 5,909.15

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Solution

The fourth proportional to 7,237.73, 9,976.50 and 5,909.15 is: 8,145.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.73 : 9,976.50 = 5,909.15 : x
  2. Step 2: Convert to fraction form
    7,237.73/9,976.50 = 5,909.15/x
  3. Step 3: Cross multiply
    7,237.73x = 9,976.50 × 5,909.15
  4. Step 4: Simplify right side
    7,237.73x = 58,952,585.09
  5. Step 5: Solve for x
    x = 58,952,585.09/7,237.73
  6. Step 6: Final answer
    x = 8,145.18

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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.