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Finding the Fourth Proportional to 5,616.98, 8,394.38 and 5,292.88

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Solution

The fourth proportional to 5,616.98, 8,394.38 and 5,292.88 is: 7,910.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.98 : 8,394.38 = 5,292.88 : x
  2. Step 2: Convert to fraction form
    5,616.98/8,394.38 = 5,292.88/x
  3. Step 3: Cross multiply
    5,616.98x = 8,394.38 × 5,292.88
  4. Step 4: Simplify right side
    5,616.98x = 44,430,418.41
  5. Step 5: Solve for x
    x = 44,430,418.41/5,616.98
  6. Step 6: Final answer
    x = 7,910.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.