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Finding the Fourth Proportional to 65,630.52, 98,421.60 and 23,499.18

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Solution

The fourth proportional to 65,630.52, 98,421.60 and 23,499.18 is: 35,240.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,630.52 : 98,421.60 = 23,499.18 : x
  2. Step 2: Convert to fraction form
    65,630.52/98,421.60 = 23,499.18/x
  3. Step 3: Cross multiply
    65,630.52x = 98,421.60 × 23,499.18
  4. Step 4: Simplify right side
    65,630.52x = 2,312,826,894.29
  5. Step 5: Solve for x
    x = 2,312,826,894.29/65,630.52
  6. Step 6: Final answer
    x = 35,240.11

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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.