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Finding the Fourth Proportional to 9,371.54, 14,053.19 and 4,987.96

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Solution

The fourth proportional to 9,371.54, 14,053.19 and 4,987.96 is: 7,479.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,371.54 : 14,053.19 = 4,987.96 : x
  2. Step 2: Convert to fraction form
    9,371.54/14,053.19 = 4,987.96/x
  3. Step 3: Cross multiply
    9,371.54x = 14,053.19 × 4,987.96
  4. Step 4: Simplify right side
    9,371.54x = 70,096,689.52
  5. Step 5: Solve for x
    x = 70,096,689.52/9,371.54
  6. Step 6: Final answer
    x = 7,479.74

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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.