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Finding the Fourth Proportional to 8,894.32, 13,341.48 and 2,320.49

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Solution

The fourth proportional to 8,894.32, 13,341.48 and 2,320.49 is: 3,480.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,894.32 : 13,341.48 = 2,320.49 : x
  2. Step 2: Convert to fraction form
    8,894.32/13,341.48 = 2,320.49/x
  3. Step 3: Cross multiply
    8,894.32x = 13,341.48 × 2,320.49
  4. Step 4: Simplify right side
    8,894.32x = 30,958,770.93
  5. Step 5: Solve for x
    x = 30,958,770.93/8,894.32
  6. Step 6: Final answer
    x = 3,480.74

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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.