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Finding the Fourth Proportional to 5,951.88, 8,217.54 and 5,580.18

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Solution

The fourth proportional to 5,951.88, 8,217.54 and 5,580.18 is: 7,704.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,951.88 : 8,217.54 = 5,580.18 : x
  2. Step 2: Convert to fraction form
    5,951.88/8,217.54 = 5,580.18/x
  3. Step 3: Cross multiply
    5,951.88x = 8,217.54 × 5,580.18
  4. Step 4: Simplify right side
    5,951.88x = 45,855,352.36
  5. Step 5: Solve for x
    x = 45,855,352.36/5,951.88
  6. Step 6: Final answer
    x = 7,704.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.