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Finding the Fourth Proportional to 67,620.55, 101,436.31 and 23,247.34

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Solution

The fourth proportional to 67,620.55, 101,436.31 and 23,247.34 is: 34,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,620.55 : 101,436.31 = 23,247.34 : x
  2. Step 2: Convert to fraction form
    67,620.55/101,436.31 = 23,247.34/x
  3. Step 3: Cross multiply
    67,620.55x = 101,436.31 × 23,247.34
  4. Step 4: Simplify right side
    67,620.55x = 2,358,124,386.92
  5. Step 5: Solve for x
    x = 2,358,124,386.92/67,620.55
  6. Step 6: Final answer
    x = 34,872.90

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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.