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Finding the Fourth Proportional to 15,553.60, 23,330.40 and 15,294.40

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Solution

The fourth proportional to 15,553.60, 23,330.40 and 15,294.40 is: 22,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553.60 : 23,330.40 = 15,294.40 : x
  2. Step 2: Convert to fraction form
    15,553.60/23,330.40 = 15,294.40/x
  3. Step 3: Cross multiply
    15,553.60x = 23,330.40 × 15,294.40
  4. Step 4: Simplify right side
    15,553.60x = 356,824,469.76
  5. Step 5: Solve for x
    x = 356,824,469.76/15,553.60
  6. Step 6: Final answer
    x = 22,941.60

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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.