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Finding the Fourth Proportional to 8,973.87, 13,459.86 and 2,400.72

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Solution

The fourth proportional to 8,973.87, 13,459.86 and 2,400.72 is: 3,600.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.87 : 13,459.86 = 2,400.72 : x
  2. Step 2: Convert to fraction form
    8,973.87/13,459.86 = 2,400.72/x
  3. Step 3: Cross multiply
    8,973.87x = 13,459.86 × 2,400.72
  4. Step 4: Simplify right side
    8,973.87x = 32,313,355.10
  5. Step 5: Solve for x
    x = 32,313,355.10/8,973.87
  6. Step 6: Final answer
    x = 3,600.83

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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.