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Finding the Fourth Proportional to 65,622.76, 98,391.75 and 36,032.65

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Solution

The fourth proportional to 65,622.76, 98,391.75 and 36,032.65 is: 54,025.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,622.76 : 98,391.75 = 36,032.65 : x
  2. Step 2: Convert to fraction form
    65,622.76/98,391.75 = 36,032.65/x
  3. Step 3: Cross multiply
    65,622.76x = 98,391.75 × 36,032.65
  4. Step 4: Simplify right side
    65,622.76x = 3,545,315,109.54
  5. Step 5: Solve for x
    x = 3,545,315,109.54/65,622.76
  6. Step 6: Final answer
    x = 54,025.70

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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.