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Finding the Fourth Proportional to 7,234.61, 10,852.14 and 2,490.72

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Solution

The fourth proportional to 7,234.61, 10,852.14 and 2,490.72 is: 3,736.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,234.61 : 10,852.14 = 2,490.72 : x
  2. Step 2: Convert to fraction form
    7,234.61/10,852.14 = 2,490.72/x
  3. Step 3: Cross multiply
    7,234.61x = 10,852.14 × 2,490.72
  4. Step 4: Simplify right side
    7,234.61x = 27,029,601.45
  5. Step 5: Solve for x
    x = 27,029,601.45/7,234.61
  6. Step 6: Final answer
    x = 3,736.15

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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.