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Finding the Fourth Proportional to 7,373.58, 11,057.27 and 2,987.97

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Solution

The fourth proportional to 7,373.58, 11,057.27 and 2,987.97 is: 4,480.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,373.58 : 11,057.27 = 2,987.97 : x
  2. Step 2: Convert to fraction form
    7,373.58/11,057.27 = 2,987.97/x
  3. Step 3: Cross multiply
    7,373.58x = 11,057.27 × 2,987.97
  4. Step 4: Simplify right side
    7,373.58x = 33,038,776.10
  5. Step 5: Solve for x
    x = 33,038,776.10/7,373.58
  6. Step 6: Final answer
    x = 4,480.70

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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.