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Finding the Fourth Proportional to 63,926.40, 88,228.80 and 38,793.60

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Solution

The fourth proportional to 63,926.40, 88,228.80 and 38,793.60 is: 53,541.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,926.40 : 88,228.80 = 38,793.60 : x
  2. Step 2: Convert to fraction form
    63,926.40/88,228.80 = 38,793.60/x
  3. Step 3: Cross multiply
    63,926.40x = 88,228.80 × 38,793.60
  4. Step 4: Simplify right side
    63,926.40x = 3,422,712,775.68
  5. Step 5: Solve for x
    x = 3,422,712,775.68/63,926.40
  6. Step 6: Final answer
    x = 53,541.46

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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.