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Finding the Fourth Proportional to 8,887, 13,330.56 and 3,043.66

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Solution

The fourth proportional to 8,887, 13,330.56 and 3,043.66 is: 4,565.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887 : 13,330.56 = 3,043.66 : x
  2. Step 2: Convert to fraction form
    8,887/13,330.56 = 3,043.66/x
  3. Step 3: Cross multiply
    8,887x = 13,330.56 × 3,043.66
  4. Step 4: Simplify right side
    8,887x = 40,573,692.25
  5. Step 5: Solve for x
    x = 40,573,692.25/8,887
  6. Step 6: Final answer
    x = 4,565.51

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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.