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Finding the Fourth Proportional to 63,857.60, 88,113.12 and 35,558

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Solution

The fourth proportional to 63,857.60, 88,113.12 and 35,558 is: 49,064.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,857.60 : 88,113.12 = 35,558 : x
  2. Step 2: Convert to fraction form
    63,857.60/88,113.12 = 35,558/x
  3. Step 3: Cross multiply
    63,857.60x = 88,113.12 × 35,558
  4. Step 4: Simplify right side
    63,857.60x = 3,133,126,320.96
  5. Step 5: Solve for x
    x = 3,133,126,320.96/63,857.60
  6. Step 6: Final answer
    x = 49,064.27

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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.