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Finding the Fourth Proportional to 5,366.64, 8,047.52 and 1,667.76

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Solution

The fourth proportional to 5,366.64, 8,047.52 and 1,667.76 is: 2,500.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,366.64 : 8,047.52 = 1,667.76 : x
  2. Step 2: Convert to fraction form
    5,366.64/8,047.52 = 1,667.76/x
  3. Step 3: Cross multiply
    5,366.64x = 8,047.52 × 1,667.76
  4. Step 4: Simplify right side
    5,366.64x = 13,421,331.96
  5. Step 5: Solve for x
    x = 13,421,331.96/5,366.64
  6. Step 6: Final answer
    x = 2,500.88

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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.