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Finding the Fourth Proportional to 8,846.76, 13,264.54 and 2,921.48

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Solution

The fourth proportional to 8,846.76, 13,264.54 and 2,921.48 is: 4,380.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,846.76 : 13,264.54 = 2,921.48 : x
  2. Step 2: Convert to fraction form
    8,846.76/13,264.54 = 2,921.48/x
  3. Step 3: Cross multiply
    8,846.76x = 13,264.54 × 2,921.48
  4. Step 4: Simplify right side
    8,846.76x = 38,752,088.32
  5. Step 5: Solve for x
    x = 38,752,088.32/8,846.76
  6. Step 6: Final answer
    x = 4,380.37

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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.