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Finding the Fourth Proportional to 8,889.16, 13,335.42 and 3,046.60

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Solution

The fourth proportional to 8,889.16, 13,335.42 and 3,046.60 is: 4,570.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.16 : 13,335.42 = 3,046.60 : x
  2. Step 2: Convert to fraction form
    8,889.16/13,335.42 = 3,046.60/x
  3. Step 3: Cross multiply
    8,889.16x = 13,335.42 × 3,046.60
  4. Step 4: Simplify right side
    8,889.16x = 40,627,690.57
  5. Step 5: Solve for x
    x = 40,627,690.57/8,889.16
  6. Step 6: Final answer
    x = 4,570.48

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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.