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Finding the Fourth Proportional to 67,702.68, 101,574.78 and 30,294.24

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Solution

The fourth proportional to 67,702.68, 101,574.78 and 30,294.24 is: 45,450.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,702.68 : 101,574.78 = 30,294.24 : x
  2. Step 2: Convert to fraction form
    67,702.68/101,574.78 = 30,294.24/x
  3. Step 3: Cross multiply
    67,702.68x = 101,574.78 × 30,294.24
  4. Step 4: Simplify right side
    67,702.68x = 3,077,130,763.27
  5. Step 5: Solve for x
    x = 3,077,130,763.27/67,702.68
  6. Step 6: Final answer
    x = 45,450.65

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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.