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Finding the Fourth Proportional to 8,364.30, 12,539.97 and 4,848.90

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Solution

The fourth proportional to 8,364.30, 12,539.97 and 4,848.90 is: 7,269.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.30 : 12,539.97 = 4,848.90 : x
  2. Step 2: Convert to fraction form
    8,364.30/12,539.97 = 4,848.90/x
  3. Step 3: Cross multiply
    8,364.30x = 12,539.97 × 4,848.90
  4. Step 4: Simplify right side
    8,364.30x = 60,805,060.53
  5. Step 5: Solve for x
    x = 60,805,060.53/8,364.30
  6. Step 6: Final answer
    x = 7,269.59

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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.