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Finding the Fourth Proportional to 1,472.46, 2,031.75 and 882.84

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Solution

The fourth proportional to 1,472.46, 2,031.75 and 882.84 is: 1,218.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.46 : 2,031.75 = 882.84 : x
  2. Step 2: Convert to fraction form
    1,472.46/2,031.75 = 882.84/x
  3. Step 3: Cross multiply
    1,472.46x = 2,031.75 × 882.84
  4. Step 4: Simplify right side
    1,472.46x = 1,793,717.79
  5. Step 5: Solve for x
    x = 1,793,717.79/1,472.46
  6. Step 6: Final answer
    x = 1,218.18

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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.