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Finding the Fourth Proportional to 63,984, 88,298 and 35,691.48

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Solution

The fourth proportional to 63,984, 88,298 and 35,691.48 is: 49,254.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,984 : 88,298 = 35,691.48 : x
  2. Step 2: Convert to fraction form
    63,984/88,298 = 35,691.48/x
  3. Step 3: Cross multiply
    63,984x = 88,298 × 35,691.48
  4. Step 4: Simplify right side
    63,984x = 3,151,486,301.04
  5. Step 5: Solve for x
    x = 3,151,486,301.04/63,984
  6. Step 6: Final answer
    x = 49,254.29

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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.