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Finding the Fourth Proportional to 65,002.04, 89,616.08 and 51,617.60

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Solution

The fourth proportional to 65,002.04, 89,616.08 and 51,617.60 is: 71,163.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,002.04 : 89,616.08 = 51,617.60 : x
  2. Step 2: Convert to fraction form
    65,002.04/89,616.08 = 51,617.60/x
  3. Step 3: Cross multiply
    65,002.04x = 89,616.08 × 51,617.60
  4. Step 4: Simplify right side
    65,002.04x = 4,625,766,971.01
  5. Step 5: Solve for x
    x = 4,625,766,971.01/65,002.04
  6. Step 6: Final answer
    x = 71,163.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.