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Finding the Fourth Proportional to 15,145.55, 22,710.78 and 9,594.68

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Solution

The fourth proportional to 15,145.55, 22,710.78 and 9,594.68 is: 14,387.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145.55 : 22,710.78 = 9,594.68 : x
  2. Step 2: Convert to fraction form
    15,145.55/22,710.78 = 9,594.68/x
  3. Step 3: Cross multiply
    15,145.55x = 22,710.78 × 9,594.68
  4. Step 4: Simplify right side
    15,145.55x = 217,902,589.08
  5. Step 5: Solve for x
    x = 217,902,589.08/15,145.55
  6. Step 6: Final answer
    x = 14,387.23

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1.5x scale

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.