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Finding the Fourth Proportional to 5,926.88, 8,180.16 and 4,930.88

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Solution

The fourth proportional to 5,926.88, 8,180.16 and 4,930.88 is: 6,805.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,926.88 : 8,180.16 = 4,930.88 : x
  2. Step 2: Convert to fraction form
    5,926.88/8,180.16 = 4,930.88/x
  3. Step 3: Cross multiply
    5,926.88x = 8,180.16 × 4,930.88
  4. Step 4: Simplify right side
    5,926.88x = 40,335,387.34
  5. Step 5: Solve for x
    x = 40,335,387.34/5,926.88
  6. Step 6: Final answer
    x = 6,805.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.