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Finding the Fourth Proportional to 2,387.27, 3,576.95 and 925.62

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Solution

The fourth proportional to 2,387.27, 3,576.95 and 925.62 is: 1,386.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.27 : 3,576.95 = 925.62 : x
  2. Step 2: Convert to fraction form
    2,387.27/3,576.95 = 925.62/x
  3. Step 3: Cross multiply
    2,387.27x = 3,576.95 × 925.62
  4. Step 4: Simplify right side
    2,387.27x = 3,310,896.46
  5. Step 5: Solve for x
    x = 3,310,896.46/2,387.27
  6. Step 6: Final answer
    x = 1,386.90

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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.