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Finding the Fourth Proportional to 63,708.46, 87,910.04 and 35,023.40

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Solution

The fourth proportional to 63,708.46, 87,910.04 and 35,023.40 is: 48,328.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,708.46 : 87,910.04 = 35,023.40 : x
  2. Step 2: Convert to fraction form
    63,708.46/87,910.04 = 35,023.40/x
  3. Step 3: Cross multiply
    63,708.46x = 87,910.04 × 35,023.40
  4. Step 4: Simplify right side
    63,708.46x = 3,078,908,494.94
  5. Step 5: Solve for x
    x = 3,078,908,494.94/63,708.46
  6. Step 6: Final answer
    x = 48,328.09

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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.