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Finding the Fourth Proportional to 3,478.42, 4,800.42 and 2,062.18

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Solution

The fourth proportional to 3,478.42, 4,800.42 and 2,062.18 is: 2,845.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478.42 : 4,800.42 = 2,062.18 : x
  2. Step 2: Convert to fraction form
    3,478.42/4,800.42 = 2,062.18/x
  3. Step 3: Cross multiply
    3,478.42x = 4,800.42 × 2,062.18
  4. Step 4: Simplify right side
    3,478.42x = 9,899,330.12
  5. Step 5: Solve for x
    x = 9,899,330.12/3,478.42
  6. Step 6: Final answer
    x = 2,845.93

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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.