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Finding the Fourth Proportional to 18,503.04, 25,540.76 and 10,952.04

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Solution

The fourth proportional to 18,503.04, 25,540.76 and 10,952.04 is: 15,117.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,503.04 : 25,540.76 = 10,952.04 : x
  2. Step 2: Convert to fraction form
    18,503.04/25,540.76 = 10,952.04/x
  3. Step 3: Cross multiply
    18,503.04x = 25,540.76 × 10,952.04
  4. Step 4: Simplify right side
    18,503.04x = 279,723,425.15
  5. Step 5: Solve for x
    x = 279,723,425.15/18,503.04
  6. Step 6: Final answer
    x = 15,117.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.