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Finding the Fourth Proportional to 64,468.60, 96,626.10 and 27,028.60

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Solution

The fourth proportional to 64,468.60, 96,626.10 and 27,028.60 is: 40,510.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,468.60 : 96,626.10 = 27,028.60 : x
  2. Step 2: Convert to fraction form
    64,468.60/96,626.10 = 27,028.60/x
  3. Step 3: Cross multiply
    64,468.60x = 96,626.10 × 27,028.60
  4. Step 4: Simplify right side
    64,468.60x = 2,611,668,206.46
  5. Step 5: Solve for x
    x = 2,611,668,206.46/64,468.60
  6. Step 6: Final answer
    x = 40,510.70

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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.