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Finding the Fourth Proportional to 5,353.60, 8,047.68 and 5,327.68

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Solution

The fourth proportional to 5,353.60, 8,047.68 and 5,327.68 is: 8,008.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.60 : 8,047.68 = 5,327.68 : x
  2. Step 2: Convert to fraction form
    5,353.60/8,047.68 = 5,327.68/x
  3. Step 3: Cross multiply
    5,353.60x = 8,047.68 × 5,327.68
  4. Step 4: Simplify right side
    5,353.60x = 42,875,463.78
  5. Step 5: Solve for x
    x = 42,875,463.78/5,353.60
  6. Step 6: Final answer
    x = 8,008.72

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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.