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Finding the Fourth Proportional to 67,919.90, 93,740.64 and 37,714.88

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Solution

The fourth proportional to 67,919.90, 93,740.64 and 37,714.88 is: 52,052.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,919.90 : 93,740.64 = 37,714.88 : x
  2. Step 2: Convert to fraction form
    67,919.90/93,740.64 = 37,714.88/x
  3. Step 3: Cross multiply
    67,919.90x = 93,740.64 × 37,714.88
  4. Step 4: Simplify right side
    67,919.90x = 3,535,416,988.72
  5. Step 5: Solve for x
    x = 3,535,416,988.72/67,919.90
  6. Step 6: Final answer
    x = 52,052.74

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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.