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Finding the Fourth Proportional to 52,902.40, 79,411.92 and 26,600.08

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Solution

The fourth proportional to 52,902.40, 79,411.92 and 26,600.08 is: 39,929.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,902.40 : 79,411.92 = 26,600.08 : x
  2. Step 2: Convert to fraction form
    52,902.40/79,411.92 = 26,600.08/x
  3. Step 3: Cross multiply
    52,902.40x = 79,411.92 × 26,600.08
  4. Step 4: Simplify right side
    52,902.40x = 2,112,363,424.95
  5. Step 5: Solve for x
    x = 2,112,363,424.95/52,902.40
  6. Step 6: Final answer
    x = 39,929.44

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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.