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Finding the Fourth Proportional to 2,948,697.52, 4,067,641.88 and 2,029,330.52

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Solution

The fourth proportional to 2,948,697.52, 4,067,641.88 and 2,029,330.52 is: 2,799,402.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948,697.52 : 4,067,641.88 = 2,029,330.52 : x
  2. Step 2: Convert to fraction form
    2,948,697.52/4,067,641.88 = 2,029,330.52/x
  3. Step 3: Cross multiply
    2,948,697.52x = 4,067,641.88 × 2,029,330.52
  4. Step 4: Simplify right side
    2,948,697.52x = 8,254,589,811,514.18
  5. Step 5: Solve for x
    x = 8,254,589,811,514.18/2,948,697.52
  6. Step 6: Final answer
    x = 2,799,402.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.