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Finding the Fourth Proportional to 15,093.90, 22,662.45 and 8,532.90

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Solution

The fourth proportional to 15,093.90, 22,662.45 and 8,532.90 is: 12,811.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,093.90 : 22,662.45 = 8,532.90 : x
  2. Step 2: Convert to fraction form
    15,093.90/22,662.45 = 8,532.90/x
  3. Step 3: Cross multiply
    15,093.90x = 22,662.45 × 8,532.90
  4. Step 4: Simplify right side
    15,093.90x = 193,376,419.61
  5. Step 5: Solve for x
    x = 193,376,419.61/15,093.90
  6. Step 6: Final answer
    x = 12,811.56

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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.