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Finding the Fourth Proportional to 5,848.70, 8,767.65 and 2,148.89

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Solution

The fourth proportional to 5,848.70, 8,767.65 and 2,148.89 is: 3,221.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,848.70 : 8,767.65 = 2,148.89 : x
  2. Step 2: Convert to fraction form
    5,848.70/8,767.65 = 2,148.89/x
  3. Step 3: Cross multiply
    5,848.70x = 8,767.65 × 2,148.89
  4. Step 4: Simplify right side
    5,848.70x = 18,840,715.41
  5. Step 5: Solve for x
    x = 18,840,715.41/5,848.70
  6. Step 6: Final answer
    x = 3,221.35

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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.