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Finding the Fourth Proportional to 1,672.04, 2,302.12 and 1,472.73

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Solution

The fourth proportional to 1,672.04, 2,302.12 and 1,472.73 is: 2,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672.04 : 2,302.12 = 1,472.73 : x
  2. Step 2: Convert to fraction form
    1,672.04/2,302.12 = 1,472.73/x
  3. Step 3: Cross multiply
    1,672.04x = 2,302.12 × 1,472.73
  4. Step 4: Simplify right side
    1,672.04x = 3,390,401.19
  5. Step 5: Solve for x
    x = 3,390,401.19/1,672.04
  6. Step 6: Final answer
    x = 2,027.70

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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.