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Finding the Fourth Proportional to 12,373.16, 18,562.89 and 4,053.74

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Solution

The fourth proportional to 12,373.16, 18,562.89 and 4,053.74 is: 6,081.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373.16 : 18,562.89 = 4,053.74 : x
  2. Step 2: Convert to fraction form
    12,373.16/18,562.89 = 4,053.74/x
  3. Step 3: Cross multiply
    12,373.16x = 18,562.89 × 4,053.74
  4. Step 4: Simplify right side
    12,373.16x = 75,249,129.71
  5. Step 5: Solve for x
    x = 75,249,129.71/12,373.16
  6. Step 6: Final answer
    x = 6,081.64

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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.