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Finding the Fourth Proportional to 2,382.71, 3,574.98 and 995.66

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Solution

The fourth proportional to 2,382.71, 3,574.98 and 995.66 is: 1,493.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.71 : 3,574.98 = 995.66 : x
  2. Step 2: Convert to fraction form
    2,382.71/3,574.98 = 995.66/x
  3. Step 3: Cross multiply
    2,382.71x = 3,574.98 × 995.66
  4. Step 4: Simplify right side
    2,382.71x = 3,559,446.71
  5. Step 5: Solve for x
    x = 3,559,446.71/2,382.71
  6. Step 6: Final answer
    x = 1,493.86

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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.