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Finding the Fourth Proportional to 2,948.54, 4,068.90 and 1,622.22

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Solution

The fourth proportional to 2,948.54, 4,068.90 and 1,622.22 is: 2,238.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.54 : 4,068.90 = 1,622.22 : x
  2. Step 2: Convert to fraction form
    2,948.54/4,068.90 = 1,622.22/x
  3. Step 3: Cross multiply
    2,948.54x = 4,068.90 × 1,622.22
  4. Step 4: Simplify right side
    2,948.54x = 6,600,650.96
  5. Step 5: Solve for x
    x = 6,600,650.96/2,948.54
  6. Step 6: Final answer
    x = 2,238.62

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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.