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Finding the Fourth Proportional to 65,622.40, 98,366.40 and 32,291.20

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Solution

The fourth proportional to 65,622.40, 98,366.40 and 32,291.20 is: 48,403.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,622.40 : 98,366.40 = 32,291.20 : x
  2. Step 2: Convert to fraction form
    65,622.40/98,366.40 = 32,291.20/x
  3. Step 3: Cross multiply
    65,622.40x = 98,366.40 × 32,291.20
  4. Step 4: Simplify right side
    65,622.40x = 3,176,369,095.68
  5. Step 5: Solve for x
    x = 3,176,369,095.68/65,622.40
  6. Step 6: Final answer
    x = 48,403.73

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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.