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Finding the Fourth Proportional to 5,652.28, 8,478.24 and 1,755.64

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Solution

The fourth proportional to 5,652.28, 8,478.24 and 1,755.64 is: 2,633.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,652.28 : 8,478.24 = 1,755.64 : x
  2. Step 2: Convert to fraction form
    5,652.28/8,478.24 = 1,755.64/x
  3. Step 3: Cross multiply
    5,652.28x = 8,478.24 × 1,755.64
  4. Step 4: Simplify right side
    5,652.28x = 14,884,737.27
  5. Step 5: Solve for x
    x = 14,884,737.27/5,652.28
  6. Step 6: Final answer
    x = 2,633.40

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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.