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Finding the Fourth Proportional to 7,482.15, 10,324.91 and 4,124.79

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Solution

The fourth proportional to 7,482.15, 10,324.91 and 4,124.79 is: 5,691.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.15 : 10,324.91 = 4,124.79 : x
  2. Step 2: Convert to fraction form
    7,482.15/10,324.91 = 4,124.79/x
  3. Step 3: Cross multiply
    7,482.15x = 10,324.91 × 4,124.79
  4. Step 4: Simplify right side
    7,482.15x = 42,588,064.89
  5. Step 5: Solve for x
    x = 42,588,064.89/7,482.15
  6. Step 6: Final answer
    x = 5,691.96

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