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Finding the Fourth Proportional to 64,306.68, 96,459.12 and 39,012.22

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Solution

The fourth proportional to 64,306.68, 96,459.12 and 39,012.22 is: 58,517.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,306.68 : 96,459.12 = 39,012.22 : x
  2. Step 2: Convert to fraction form
    64,306.68/96,459.12 = 39,012.22/x
  3. Step 3: Cross multiply
    64,306.68x = 96,459.12 × 39,012.22
  4. Step 4: Simplify right side
    64,306.68x = 3,763,084,410.45
  5. Step 5: Solve for x
    x = 3,763,084,410.45/64,306.68
  6. Step 6: Final answer
    x = 58,517.78

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1.5x scale

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.