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Finding the Fourth Proportional to 5,748.90, 8,616.60 and 5,687.34

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Solution

The fourth proportional to 5,748.90, 8,616.60 and 5,687.34 is: 8,524.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,748.90 : 8,616.60 = 5,687.34 : x
  2. Step 2: Convert to fraction form
    5,748.90/8,616.60 = 5,687.34/x
  3. Step 3: Cross multiply
    5,748.90x = 8,616.60 × 5,687.34
  4. Step 4: Simplify right side
    5,748.90x = 49,005,533.84
  5. Step 5: Solve for x
    x = 49,005,533.84/5,748.90
  6. Step 6: Final answer
    x = 8,524.33

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1.5x scale

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.