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Finding the Fourth Proportional to 5,922.50, 8,881.16 and 3,148.50

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Solution

The fourth proportional to 5,922.50, 8,881.16 and 3,148.50 is: 4,721.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,922.50 : 8,881.16 = 3,148.50 : x
  2. Step 2: Convert to fraction form
    5,922.50/8,881.16 = 3,148.50/x
  3. Step 3: Cross multiply
    5,922.50x = 8,881.16 × 3,148.50
  4. Step 4: Simplify right side
    5,922.50x = 27,962,332.26
  5. Step 5: Solve for x
    x = 27,962,332.26/5,922.50
  6. Step 6: Final answer
    x = 4,721.37

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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.