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Finding the Fourth Proportional to 67,868.88, 101,812.68 and 23,483.76

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Solution

The fourth proportional to 67,868.88, 101,812.68 and 23,483.76 is: 35,228.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,868.88 : 101,812.68 = 23,483.76 : x
  2. Step 2: Convert to fraction form
    67,868.88/101,812.68 = 23,483.76/x
  3. Step 3: Cross multiply
    67,868.88x = 101,812.68 × 23,483.76
  4. Step 4: Simplify right side
    67,868.88x = 2,390,944,542.08
  5. Step 5: Solve for x
    x = 2,390,944,542.08/67,868.88
  6. Step 6: Final answer
    x = 35,228.88

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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.