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Finding the Fourth Proportional to 10,348.53, 15,520.05 and 4,503.75

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Solution

The fourth proportional to 10,348.53, 15,520.05 and 4,503.75 is: 6,754.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348.53 : 15,520.05 = 4,503.75 : x
  2. Step 2: Convert to fraction form
    10,348.53/15,520.05 = 4,503.75/x
  3. Step 3: Cross multiply
    10,348.53x = 15,520.05 × 4,503.75
  4. Step 4: Simplify right side
    10,348.53x = 69,898,425.19
  5. Step 5: Solve for x
    x = 69,898,425.19/10,348.53
  6. Step 6: Final answer
    x = 6,754.43

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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.