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Finding the Fourth Proportional to 67,012.92, 92,479.59 and 36,800.19

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Solution

The fourth proportional to 67,012.92, 92,479.59 and 36,800.19 is: 50,785.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,012.92 : 92,479.59 = 36,800.19 : x
  2. Step 2: Convert to fraction form
    67,012.92/92,479.59 = 36,800.19/x
  3. Step 3: Cross multiply
    67,012.92x = 92,479.59 × 36,800.19
  4. Step 4: Simplify right side
    67,012.92x = 3,403,266,483.12
  5. Step 5: Solve for x
    x = 3,403,266,483.12/67,012.92
  6. Step 6: Final answer
    x = 50,785.23

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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.