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Finding the Fourth Proportional to 52,574.68, 78,850.14 and 15,134.68

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Solution

The fourth proportional to 52,574.68, 78,850.14 and 15,134.68 is: 22,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,574.68 : 78,850.14 = 15,134.68 : x
  2. Step 2: Convert to fraction form
    52,574.68/78,850.14 = 15,134.68/x
  3. Step 3: Cross multiply
    52,574.68x = 78,850.14 × 15,134.68
  4. Step 4: Simplify right side
    52,574.68x = 1,193,371,636.86
  5. Step 5: Solve for x
    x = 1,193,371,636.86/52,574.68
  6. Step 6: Final answer
    x = 22,698.60

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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.