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Finding the Fourth Proportional to 4,798.22, 7,199.43 and 1,680.47

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Solution

The fourth proportional to 4,798.22, 7,199.43 and 1,680.47 is: 2,521.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,798.22 : 7,199.43 = 1,680.47 : x
  2. Step 2: Convert to fraction form
    4,798.22/7,199.43 = 1,680.47/x
  3. Step 3: Cross multiply
    4,798.22x = 7,199.43 × 1,680.47
  4. Step 4: Simplify right side
    4,798.22x = 12,098,381.73
  5. Step 5: Solve for x
    x = 12,098,381.73/4,798.22
  6. Step 6: Final answer
    x = 2,521.43

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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.