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Finding the Fourth Proportional to 5,033.60, 6,948 and 2,938.16

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Solution

The fourth proportional to 5,033.60, 6,948 and 2,938.16 is: 4,055.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,033.60 : 6,948 = 2,938.16 : x
  2. Step 2: Convert to fraction form
    5,033.60/6,948 = 2,938.16/x
  3. Step 3: Cross multiply
    5,033.60x = 6,948 × 2,938.16
  4. Step 4: Simplify right side
    5,033.60x = 20,414,335.68
  5. Step 5: Solve for x
    x = 20,414,335.68/5,033.60
  6. Step 6: Final answer
    x = 4,055.61

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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.