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Finding the Fourth Proportional to 52,948.80, 79,423.20 and 44,395.20

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Solution

The fourth proportional to 52,948.80, 79,423.20 and 44,395.20 is: 66,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,948.80 : 79,423.20 = 44,395.20 : x
  2. Step 2: Convert to fraction form
    52,948.80/79,423.20 = 44,395.20/x
  3. Step 3: Cross multiply
    52,948.80x = 79,423.20 × 44,395.20
  4. Step 4: Simplify right side
    52,948.80x = 3,526,008,848.64
  5. Step 5: Solve for x
    x = 3,526,008,848.64/52,948.80
  6. Step 6: Final answer
    x = 66,592.80

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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.