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Finding the Fourth Proportional to 5,374.72, 8,062.04 and 2,925.11

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Solution

The fourth proportional to 5,374.72, 8,062.04 and 2,925.11 is: 4,387.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.72 : 8,062.04 = 2,925.11 : x
  2. Step 2: Convert to fraction form
    5,374.72/8,062.04 = 2,925.11/x
  3. Step 3: Cross multiply
    5,374.72x = 8,062.04 × 2,925.11
  4. Step 4: Simplify right side
    5,374.72x = 23,582,353.82
  5. Step 5: Solve for x
    x = 23,582,353.82/5,374.72
  6. Step 6: Final answer
    x = 4,387.64

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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.