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Finding the Fourth Proportional to 29,987.16, 44,982.36 and 7,800.59

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Solution

The fourth proportional to 29,987.16, 44,982.36 and 7,800.59 is: 11,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,987.16 : 44,982.36 = 7,800.59 : x
  2. Step 2: Convert to fraction form
    29,987.16/44,982.36 = 7,800.59/x
  3. Step 3: Cross multiply
    29,987.16x = 44,982.36 × 7,800.59
  4. Step 4: Simplify right side
    29,987.16x = 350,888,722.68
  5. Step 5: Solve for x
    x = 350,888,722.68/29,987.16
  6. Step 6: Final answer
    x = 11,701.30

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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.