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Finding the Fourth Proportional to 15,711.57, 23,575.04 and 7,392.42

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Solution

The fourth proportional to 15,711.57, 23,575.04 and 7,392.42 is: 11,092.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,711.57 : 23,575.04 = 7,392.42 : x
  2. Step 2: Convert to fraction form
    15,711.57/23,575.04 = 7,392.42/x
  3. Step 3: Cross multiply
    15,711.57x = 23,575.04 × 7,392.42
  4. Step 4: Simplify right side
    15,711.57x = 174,276,479.32
  5. Step 5: Solve for x
    x = 174,276,479.32/15,711.57
  6. Step 6: Final answer
    x = 11,092.24

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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.