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Finding the Fourth Proportional to 4,951.73, 7,421.83 and 3,641.05

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Solution

The fourth proportional to 4,951.73, 7,421.83 and 3,641.05 is: 5,457.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.73 : 7,421.83 = 3,641.05 : x
  2. Step 2: Convert to fraction form
    4,951.73/7,421.83 = 3,641.05/x
  3. Step 3: Cross multiply
    4,951.73x = 7,421.83 × 3,641.05
  4. Step 4: Simplify right side
    4,951.73x = 27,023,254.30
  5. Step 5: Solve for x
    x = 27,023,254.30/4,951.73
  6. Step 6: Final answer
    x = 5,457.33

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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.