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Finding the Fourth Proportional to 3,326.47, 4,987.98 and 1,134.47

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Solution

The fourth proportional to 3,326.47, 4,987.98 and 1,134.47 is: 1,701.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.47 : 4,987.98 = 1,134.47 : x
  2. Step 2: Convert to fraction form
    3,326.47/4,987.98 = 1,134.47/x
  3. Step 3: Cross multiply
    3,326.47x = 4,987.98 × 1,134.47
  4. Step 4: Simplify right side
    3,326.47x = 5,658,726.14
  5. Step 5: Solve for x
    x = 5,658,726.14/3,326.47
  6. Step 6: Final answer
    x = 1,701.12

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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.