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Finding the Fourth Proportional to 5,749.88, 8,624.81 and 1,854.29

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Solution

The fourth proportional to 5,749.88, 8,624.81 and 1,854.29 is: 2,781.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.88 : 8,624.81 = 1,854.29 : x
  2. Step 2: Convert to fraction form
    5,749.88/8,624.81 = 1,854.29/x
  3. Step 3: Cross multiply
    5,749.88x = 8,624.81 × 1,854.29
  4. Step 4: Simplify right side
    5,749.88x = 15,992,925.13
  5. Step 5: Solve for x
    x = 15,992,925.13/5,749.88
  6. Step 6: Final answer
    x = 2,781.44

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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.