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Finding the Fourth Proportional to 5,988.26, 8,971.45 and 4,340.72

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Solution

The fourth proportional to 5,988.26, 8,971.45 and 4,340.72 is: 6,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,988.26 : 8,971.45 = 4,340.72 : x
  2. Step 2: Convert to fraction form
    5,988.26/8,971.45 = 4,340.72/x
  3. Step 3: Cross multiply
    5,988.26x = 8,971.45 × 4,340.72
  4. Step 4: Simplify right side
    5,988.26x = 38,942,564.02
  5. Step 5: Solve for x
    x = 38,942,564.02/5,988.26
  6. Step 6: Final answer
    x = 6,503.15

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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.