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Finding the Fourth Proportional to 1,472.47, 2,031.86 and 883.00

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Solution

The fourth proportional to 1,472.47, 2,031.86 and 883.00 is: 1,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.47 : 2,031.86 = 883.00 : x
  2. Step 2: Convert to fraction form
    1,472.47/2,031.86 = 883.00/x
  3. Step 3: Cross multiply
    1,472.47x = 2,031.86 × 883.00
  4. Step 4: Simplify right side
    1,472.47x = 1,794,134.64
  5. Step 5: Solve for x
    x = 1,794,134.64/1,472.47
  6. Step 6: Final answer
    x = 1,218.46

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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.