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Finding the Fourth Proportional to 6,242.34, 9,363.51 and 1,859.79

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Solution

The fourth proportional to 6,242.34, 9,363.51 and 1,859.79 is: 2,789.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242.34 : 9,363.51 = 1,859.79 : x
  2. Step 2: Convert to fraction form
    6,242.34/9,363.51 = 1,859.79/x
  3. Step 3: Cross multiply
    6,242.34x = 9,363.51 × 1,859.79
  4. Step 4: Simplify right side
    6,242.34x = 17,414,162.26
  5. Step 5: Solve for x
    x = 17,414,162.26/6,242.34
  6. Step 6: Final answer
    x = 2,789.69

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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.