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Finding the Fourth Proportional to 65,568, 98,352.36 and 16,320

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Solution

The fourth proportional to 65,568, 98,352.36 and 16,320 is: 24,480.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,568 : 98,352.36 = 16,320 : x
  2. Step 2: Convert to fraction form
    65,568/98,352.36 = 16,320/x
  3. Step 3: Cross multiply
    65,568x = 98,352.36 × 16,320
  4. Step 4: Simplify right side
    65,568x = 1,605,110,515.20
  5. Step 5: Solve for x
    x = 1,605,110,515.20/65,568
  6. Step 6: Final answer
    x = 24,480.09

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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.