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Finding the Fourth Proportional to 2,951.60, 4,434.60 and 2,222.60

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Solution

The fourth proportional to 2,951.60, 4,434.60 and 2,222.60 is: 3,339.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.60 : 4,434.60 = 2,222.60 : x
  2. Step 2: Convert to fraction form
    2,951.60/4,434.60 = 2,222.60/x
  3. Step 3: Cross multiply
    2,951.60x = 4,434.60 × 2,222.60
  4. Step 4: Simplify right side
    2,951.60x = 9,856,341.96
  5. Step 5: Solve for x
    x = 9,856,341.96/2,951.60
  6. Step 6: Final answer
    x = 3,339.32

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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.