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Finding the Fourth Proportional to 65,775.12, 98,651.68 and 23,646.61

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Solution

The fourth proportional to 65,775.12, 98,651.68 and 23,646.61 is: 35,465.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,775.12 : 98,651.68 = 23,646.61 : x
  2. Step 2: Convert to fraction form
    65,775.12/98,651.68 = 23,646.61/x
  3. Step 3: Cross multiply
    65,775.12x = 98,651.68 × 23,646.61
  4. Step 4: Simplify right side
    65,775.12x = 2,332,777,802.80
  5. Step 5: Solve for x
    x = 2,332,777,802.80/65,775.12
  6. Step 6: Final answer
    x = 35,465.96

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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.