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Finding the Fourth Proportional to 8,873.01, 13,311 and 4,430.88

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Solution

The fourth proportional to 8,873.01, 13,311 and 4,430.88 is: 6,647.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873.01 : 13,311 = 4,430.88 : x
  2. Step 2: Convert to fraction form
    8,873.01/13,311 = 4,430.88/x
  3. Step 3: Cross multiply
    8,873.01x = 13,311 × 4,430.88
  4. Step 4: Simplify right side
    8,873.01x = 58,979,443.68
  5. Step 5: Solve for x
    x = 58,979,443.68/8,873.01
  6. Step 6: Final answer
    x = 6,647.06

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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.