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Finding the Fourth Proportional to 3,646.52, 5,473.88 and 1,456.79

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Solution

The fourth proportional to 3,646.52, 5,473.88 and 1,456.79 is: 2,186.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.52 : 5,473.88 = 1,456.79 : x
  2. Step 2: Convert to fraction form
    3,646.52/5,473.88 = 1,456.79/x
  3. Step 3: Cross multiply
    3,646.52x = 5,473.88 × 1,456.79
  4. Step 4: Simplify right side
    3,646.52x = 7,974,264.45
  5. Step 5: Solve for x
    x = 7,974,264.45/3,646.52
  6. Step 6: Final answer
    x = 2,186.82

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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.