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Finding the Fourth Proportional to 68,064.40, 102,023.70 and 25,928.20

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Solution

The fourth proportional to 68,064.40, 102,023.70 and 25,928.20 is: 38,864.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,064.40 : 102,023.70 = 25,928.20 : x
  2. Step 2: Convert to fraction form
    68,064.40/102,023.70 = 25,928.20/x
  3. Step 3: Cross multiply
    68,064.40x = 102,023.70 × 25,928.20
  4. Step 4: Simplify right side
    68,064.40x = 2,645,290,898.34
  5. Step 5: Solve for x
    x = 2,645,290,898.34/68,064.40
  6. Step 6: Final answer
    x = 38,864.53

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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.