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Finding the Fourth Proportional to 4,792.60, 6,610.05 and 3,114.55

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Solution

The fourth proportional to 4,792.60, 6,610.05 and 3,114.55 is: 4,295.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,792.60 : 6,610.05 = 3,114.55 : x
  2. Step 2: Convert to fraction form
    4,792.60/6,610.05 = 3,114.55/x
  3. Step 3: Cross multiply
    4,792.60x = 6,610.05 × 3,114.55
  4. Step 4: Simplify right side
    4,792.60x = 20,587,339.49
  5. Step 5: Solve for x
    x = 20,587,339.49/4,792.60
  6. Step 6: Final answer
    x = 4,295.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.