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Finding the Fourth Proportional to 6,048.78, 8,343.10 and 4,929.72

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Solution

The fourth proportional to 6,048.78, 8,343.10 and 4,929.72 is: 6,799.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,048.78 : 8,343.10 = 4,929.72 : x
  2. Step 2: Convert to fraction form
    6,048.78/8,343.10 = 4,929.72/x
  3. Step 3: Cross multiply
    6,048.78x = 8,343.10 × 4,929.72
  4. Step 4: Simplify right side
    6,048.78x = 41,129,146.93
  5. Step 5: Solve for x
    x = 41,129,146.93/6,048.78
  6. Step 6: Final answer
    x = 6,799.58

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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.