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Finding the Fourth Proportional to 65,377.92, 98,070.12 and 18,637.68

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Solution

The fourth proportional to 65,377.92, 98,070.12 and 18,637.68 is: 27,957.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,377.92 : 98,070.12 = 18,637.68 : x
  2. Step 2: Convert to fraction form
    65,377.92/98,070.12 = 18,637.68/x
  3. Step 3: Cross multiply
    65,377.92x = 98,070.12 × 18,637.68
  4. Step 4: Simplify right side
    65,377.92x = 1,827,799,514.12
  5. Step 5: Solve for x
    x = 1,827,799,514.12/65,377.92
  6. Step 6: Final answer
    x = 27,957.44

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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.