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Finding the Fourth Proportional to 64,108.60, 88,468.12 and 35,035.80

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Solution

The fourth proportional to 64,108.60, 88,468.12 and 35,035.80 is: 48,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,108.60 : 88,468.12 = 35,035.80 : x
  2. Step 2: Convert to fraction form
    64,108.60/88,468.12 = 35,035.80/x
  3. Step 3: Cross multiply
    64,108.60x = 88,468.12 × 35,035.80
  4. Step 4: Simplify right side
    64,108.60x = 3,099,551,358.70
  5. Step 5: Solve for x
    x = 3,099,551,358.70/64,108.60
  6. Step 6: Final answer
    x = 48,348.45

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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.