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Finding the Fourth Proportional to 8,473.30, 12,710.43 and 2,848.71

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Solution

The fourth proportional to 8,473.30, 12,710.43 and 2,848.71 is: 4,273.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473.30 : 12,710.43 = 2,848.71 : x
  2. Step 2: Convert to fraction form
    8,473.30/12,710.43 = 2,848.71/x
  3. Step 3: Cross multiply
    8,473.30x = 12,710.43 × 2,848.71
  4. Step 4: Simplify right side
    8,473.30x = 36,208,329.05
  5. Step 5: Solve for x
    x = 36,208,329.05/8,473.30
  6. Step 6: Final answer
    x = 4,273.23

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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.