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Finding the Fourth Proportional to 67,017.92, 92,486.50 and 36,805.20

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Solution

The fourth proportional to 67,017.92, 92,486.50 and 36,805.20 is: 50,792.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,017.92 : 92,486.50 = 36,805.20 : x
  2. Step 2: Convert to fraction form
    67,017.92/92,486.50 = 36,805.20/x
  3. Step 3: Cross multiply
    67,017.92x = 92,486.50 × 36,805.20
  4. Step 4: Simplify right side
    67,017.92x = 3,403,984,129.80
  5. Step 5: Solve for x
    x = 3,403,984,129.80/67,017.92
  6. Step 6: Final answer
    x = 50,792.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.