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Finding the Fourth Proportional to 63,630.08, 87,812.16 and 35,336

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Solution

The fourth proportional to 63,630.08, 87,812.16 and 35,336 is: 48,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,630.08 : 87,812.16 = 35,336 : x
  2. Step 2: Convert to fraction form
    63,630.08/87,812.16 = 35,336/x
  3. Step 3: Cross multiply
    63,630.08x = 87,812.16 × 35,336
  4. Step 4: Simplify right side
    63,630.08x = 3,102,930,485.76
  5. Step 5: Solve for x
    x = 3,102,930,485.76/63,630.08
  6. Step 6: Final answer
    x = 48,765.15

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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.