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Finding the Fourth Proportional to 40,305.71, 60,458.72 and 12,226.01

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Solution

The fourth proportional to 40,305.71, 60,458.72 and 12,226.01 is: 18,339.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,305.71 : 60,458.72 = 12,226.01 : x
  2. Step 2: Convert to fraction form
    40,305.71/60,458.72 = 12,226.01/x
  3. Step 3: Cross multiply
    40,305.71x = 60,458.72 × 12,226.01
  4. Step 4: Simplify right side
    40,305.71x = 739,169,079.20
  5. Step 5: Solve for x
    x = 739,169,079.20/40,305.71
  6. Step 6: Final answer
    x = 18,339.06

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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.