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Finding the Fourth Proportional to 52,758.30, 79,125.03 and 15,308.49

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Solution

The fourth proportional to 52,758.30, 79,125.03 and 15,308.49 is: 22,959.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,758.30 : 79,125.03 = 15,308.49 : x
  2. Step 2: Convert to fraction form
    52,758.30/79,125.03 = 15,308.49/x
  3. Step 3: Cross multiply
    52,758.30x = 79,125.03 × 15,308.49
  4. Step 4: Simplify right side
    52,758.30x = 1,211,284,730.50
  5. Step 5: Solve for x
    x = 1,211,284,730.50/52,758.30
  6. Step 6: Final answer
    x = 22,959.13

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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.