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Finding the Fourth Proportional to 52,800.18, 79,207.56 and 40,344

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Solution

The fourth proportional to 52,800.18, 79,207.56 and 40,344 is: 60,521.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,800.18 : 79,207.56 = 40,344 : x
  2. Step 2: Convert to fraction form
    52,800.18/79,207.56 = 40,344/x
  3. Step 3: Cross multiply
    52,800.18x = 79,207.56 × 40,344
  4. Step 4: Simplify right side
    52,800.18x = 3,195,549,800.64
  5. Step 5: Solve for x
    x = 3,195,549,800.64/52,800.18
  6. Step 6: Final answer
    x = 60,521.57

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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.