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Finding the Fourth Proportional to 1,472.67, 2,031.46 and 883.08

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Solution

The fourth proportional to 1,472.67, 2,031.46 and 883.08 is: 1,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.67 : 2,031.46 = 883.08 : x
  2. Step 2: Convert to fraction form
    1,472.67/2,031.46 = 883.08/x
  3. Step 3: Cross multiply
    1,472.67x = 2,031.46 × 883.08
  4. Step 4: Simplify right side
    1,472.67x = 1,793,939.49
  5. Step 5: Solve for x
    x = 1,793,939.49/1,472.67
  6. Step 6: Final answer
    x = 1,218.15

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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.