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Finding the Fourth Proportional to 5,000.56, 6,929.98 and 4,930.09

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Solution

The fourth proportional to 5,000.56, 6,929.98 and 4,930.09 is: 6,832.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.56 : 6,929.98 = 4,930.09 : x
  2. Step 2: Convert to fraction form
    5,000.56/6,929.98 = 4,930.09/x
  3. Step 3: Cross multiply
    5,000.56x = 6,929.98 × 4,930.09
  4. Step 4: Simplify right side
    5,000.56x = 34,165,425.10
  5. Step 5: Solve for x
    x = 34,165,425.10/5,000.56
  6. Step 6: Final answer
    x = 6,832.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.