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Finding the Fourth Proportional to 67,714.70, 93,348.90 and 47,508.98

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Solution

The fourth proportional to 67,714.70, 93,348.90 and 47,508.98 is: 65,494.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,714.70 : 93,348.90 = 47,508.98 : x
  2. Step 2: Convert to fraction form
    67,714.70/93,348.90 = 47,508.98/x
  3. Step 3: Cross multiply
    67,714.70x = 93,348.90 × 47,508.98
  4. Step 4: Simplify right side
    67,714.70x = 4,434,911,023.12
  5. Step 5: Solve for x
    x = 4,434,911,023.12/67,714.70
  6. Step 6: Final answer
    x = 65,494.07

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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.