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Finding the Fourth Proportional to 1,882.32, 2,823.65 and 632.85

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Solution

The fourth proportional to 1,882.32, 2,823.65 and 632.85 is: 949.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882.32 : 2,823.65 = 632.85 : x
  2. Step 2: Convert to fraction form
    1,882.32/2,823.65 = 632.85/x
  3. Step 3: Cross multiply
    1,882.32x = 2,823.65 × 632.85
  4. Step 4: Simplify right side
    1,882.32x = 1,786,943.74
  5. Step 5: Solve for x
    x = 1,786,943.74/1,882.32
  6. Step 6: Final answer
    x = 949.33

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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.