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Finding the Fourth Proportional to 63,777.60, 88,044.96 and 49,405.44

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Solution

The fourth proportional to 63,777.60, 88,044.96 and 49,405.44 is: 68,204.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,777.60 : 88,044.96 = 49,405.44 : x
  2. Step 2: Convert to fraction form
    63,777.60/88,044.96 = 49,405.44/x
  3. Step 3: Cross multiply
    63,777.60x = 88,044.96 × 49,405.44
  4. Step 4: Simplify right side
    63,777.60x = 4,349,899,988.58
  5. Step 5: Solve for x
    x = 4,349,899,988.58/63,777.60
  6. Step 6: Final answer
    x = 68,204.20

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1.5x scale

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.