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Finding the Fourth Proportional to 65,396.92, 98,080.77 and 30,332.02

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Solution

The fourth proportional to 65,396.92, 98,080.77 and 30,332.02 is: 45,491.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,396.92 : 98,080.77 = 30,332.02 : x
  2. Step 2: Convert to fraction form
    65,396.92/98,080.77 = 30,332.02/x
  3. Step 3: Cross multiply
    65,396.92x = 98,080.77 × 30,332.02
  4. Step 4: Simplify right side
    65,396.92x = 2,974,987,877.26
  5. Step 5: Solve for x
    x = 2,974,987,877.26/65,396.92
  6. Step 6: Final answer
    x = 45,491.25

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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.