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Finding the Fourth Proportional to 4,555.24, 6,834.98 and 1,781.19

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Solution

The fourth proportional to 4,555.24, 6,834.98 and 1,781.19 is: 2,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,555.24 : 6,834.98 = 1,781.19 : x
  2. Step 2: Convert to fraction form
    4,555.24/6,834.98 = 1,781.19/x
  3. Step 3: Cross multiply
    4,555.24x = 6,834.98 × 1,781.19
  4. Step 4: Simplify right side
    4,555.24x = 12,174,402.48
  5. Step 5: Solve for x
    x = 12,174,402.48/4,555.24
  6. Step 6: Final answer
    x = 2,672.62

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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.