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Finding the Fourth Proportional to 52,799.90, 79,199.85 and 49,300.70

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Solution

The fourth proportional to 52,799.90, 79,199.85 and 49,300.70 is: 73,951.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,799.90 : 79,199.85 = 49,300.70 : x
  2. Step 2: Convert to fraction form
    52,799.90/79,199.85 = 49,300.70/x
  3. Step 3: Cross multiply
    52,799.90x = 79,199.85 × 49,300.70
  4. Step 4: Simplify right side
    52,799.90x = 3,904,608,044.90
  5. Step 5: Solve for x
    x = 3,904,608,044.90/52,799.90
  6. Step 6: Final answer
    x = 73,951.05

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1.5x scale

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.