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Finding the Fourth Proportional to 6,242.08, 9,363.20 and 1,859.20

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Solution

The fourth proportional to 6,242.08, 9,363.20 and 1,859.20 is: 2,788.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242.08 : 9,363.20 = 1,859.20 : x
  2. Step 2: Convert to fraction form
    6,242.08/9,363.20 = 1,859.20/x
  3. Step 3: Cross multiply
    6,242.08x = 9,363.20 × 1,859.20
  4. Step 4: Simplify right side
    6,242.08x = 17,408,061.44
  5. Step 5: Solve for x
    x = 17,408,061.44/6,242.08
  6. Step 6: Final answer
    x = 2,788.82

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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.