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Finding the Fourth Proportional to 67,674.15, 101,511.23 and 41,430.15

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Solution

The fourth proportional to 67,674.15, 101,511.23 and 41,430.15 is: 62,145.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,674.15 : 101,511.23 = 41,430.15 : x
  2. Step 2: Convert to fraction form
    67,674.15/101,511.23 = 41,430.15/x
  3. Step 3: Cross multiply
    67,674.15x = 101,511.23 × 41,430.15
  4. Step 4: Simplify right side
    67,674.15x = 4,205,625,278.43
  5. Step 5: Solve for x
    x = 4,205,625,278.43/67,674.15
  6. Step 6: Final answer
    x = 62,145.23

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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.