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Finding the Fourth Proportional to 13,848.60, 20,773.19 and 4,488.60

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Solution

The fourth proportional to 13,848.60, 20,773.19 and 4,488.60 is: 6,732.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.60 : 20,773.19 = 4,488.60 : x
  2. Step 2: Convert to fraction form
    13,848.60/20,773.19 = 4,488.60/x
  3. Step 3: Cross multiply
    13,848.60x = 20,773.19 × 4,488.60
  4. Step 4: Simplify right side
    13,848.60x = 93,242,512.91
  5. Step 5: Solve for x
    x = 93,242,512.91/13,848.60
  6. Step 6: Final answer
    x = 6,732.99

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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.