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Finding the Fourth Proportional to 5,549.20, 8,323.80 and 4,944.40

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Solution

The fourth proportional to 5,549.20, 8,323.80 and 4,944.40 is: 7,416.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.20 : 8,323.80 = 4,944.40 : x
  2. Step 2: Convert to fraction form
    5,549.20/8,323.80 = 4,944.40/x
  3. Step 3: Cross multiply
    5,549.20x = 8,323.80 × 4,944.40
  4. Step 4: Simplify right side
    5,549.20x = 41,156,196.72
  5. Step 5: Solve for x
    x = 41,156,196.72/5,549.20
  6. Step 6: Final answer
    x = 7,416.60

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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.