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Finding the Fourth Proportional to 64,393.11, 96,115.93 and 59,880.60

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Solution

The fourth proportional to 64,393.11, 96,115.93 and 59,880.60 is: 89,380.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,393.11 : 96,115.93 = 59,880.60 : x
  2. Step 2: Convert to fraction form
    64,393.11/96,115.93 = 59,880.60/x
  3. Step 3: Cross multiply
    64,393.11x = 96,115.93 × 59,880.60
  4. Step 4: Simplify right side
    64,393.11x = 5,755,479,408.26
  5. Step 5: Solve for x
    x = 5,755,479,408.26/64,393.11
  6. Step 6: Final answer
    x = 89,380.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.