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Finding the Fourth Proportional to 65,630.91, 98,498.92 and 34,050.03

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Solution

The fourth proportional to 65,630.91, 98,498.92 and 34,050.03 is: 51,102.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,630.91 : 98,498.92 = 34,050.03 : x
  2. Step 2: Convert to fraction form
    65,630.91/98,498.92 = 34,050.03/x
  3. Step 3: Cross multiply
    65,630.91x = 98,498.92 × 34,050.03
  4. Step 4: Simplify right side
    65,630.91x = 3,353,890,790.32
  5. Step 5: Solve for x
    x = 3,353,890,790.32/65,630.91
  6. Step 6: Final answer
    x = 51,102.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.