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Finding the Fourth Proportional to 18,462.62, 25,472.07 and 10,395.02

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Solution

The fourth proportional to 18,462.62, 25,472.07 and 10,395.02 is: 14,341.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,462.62 : 25,472.07 = 10,395.02 : x
  2. Step 2: Convert to fraction form
    18,462.62/25,472.07 = 10,395.02/x
  3. Step 3: Cross multiply
    18,462.62x = 25,472.07 × 10,395.02
  4. Step 4: Simplify right side
    18,462.62x = 264,782,677.09
  5. Step 5: Solve for x
    x = 264,782,677.09/18,462.62
  6. Step 6: Final answer
    x = 14,341.55

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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.