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Finding the Fourth Proportional to 15,257.87, 22,886.96 and 7,358.55

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Solution

The fourth proportional to 15,257.87, 22,886.96 and 7,358.55 is: 11,037.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,257.87 : 22,886.96 = 7,358.55 : x
  2. Step 2: Convert to fraction form
    15,257.87/22,886.96 = 7,358.55/x
  3. Step 3: Cross multiply
    15,257.87x = 22,886.96 × 7,358.55
  4. Step 4: Simplify right side
    15,257.87x = 168,414,802.72
  5. Step 5: Solve for x
    x = 168,414,802.72/15,257.87
  6. Step 6: Final answer
    x = 11,037.90

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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.