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Finding the Fourth Proportional to 48,471.01, 72,706.41 and 13,410.56

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Solution

The fourth proportional to 48,471.01, 72,706.41 and 13,410.56 is: 20,115.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,471.01 : 72,706.41 = 13,410.56 : x
  2. Step 2: Convert to fraction form
    48,471.01/72,706.41 = 13,410.56/x
  3. Step 3: Cross multiply
    48,471.01x = 72,706.41 × 13,410.56
  4. Step 4: Simplify right side
    48,471.01x = 975,033,855.46
  5. Step 5: Solve for x
    x = 975,033,855.46/48,471.01
  6. Step 6: Final answer
    x = 20,115.82

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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.