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Finding the Fourth Proportional to 52,463.81, 78,722.17 and 25,808.68

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Solution

The fourth proportional to 52,463.81, 78,722.17 and 25,808.68 is: 38,726.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,463.81 : 78,722.17 = 25,808.68 : x
  2. Step 2: Convert to fraction form
    52,463.81/78,722.17 = 25,808.68/x
  3. Step 3: Cross multiply
    52,463.81x = 78,722.17 × 25,808.68
  4. Step 4: Simplify right side
    52,463.81x = 2,031,714,900.82
  5. Step 5: Solve for x
    x = 2,031,714,900.82/52,463.81
  6. Step 6: Final answer
    x = 38,726.03

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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.