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Finding the Fourth Proportional to 52,491.87, 78,726.51 and 15,041.88

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Solution

The fourth proportional to 52,491.87, 78,726.51 and 15,041.88 is: 22,559.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,491.87 : 78,726.51 = 15,041.88 : x
  2. Step 2: Convert to fraction form
    52,491.87/78,726.51 = 15,041.88/x
  3. Step 3: Cross multiply
    52,491.87x = 78,726.51 × 15,041.88
  4. Step 4: Simplify right side
    52,491.87x = 1,184,194,716.24
  5. Step 5: Solve for x
    x = 1,184,194,716.24/52,491.87
  6. Step 6: Final answer
    x = 22,559.58

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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.