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Finding the Fourth Proportional to 5,652.75, 8,480.07 and 1,756.38

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Solution

The fourth proportional to 5,652.75, 8,480.07 and 1,756.38 is: 2,634.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,652.75 : 8,480.07 = 1,756.38 : x
  2. Step 2: Convert to fraction form
    5,652.75/8,480.07 = 1,756.38/x
  3. Step 3: Cross multiply
    5,652.75x = 8,480.07 × 1,756.38
  4. Step 4: Simplify right side
    5,652.75x = 14,894,225.35
  5. Step 5: Solve for x
    x = 14,894,225.35/5,652.75
  6. Step 6: Final answer
    x = 2,634.86

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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.