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Finding the Fourth Proportional to 8,881.88, 13,321.87 and 4,717.46

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Solution

The fourth proportional to 8,881.88, 13,321.87 and 4,717.46 is: 7,075.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.88 : 13,321.87 = 4,717.46 : x
  2. Step 2: Convert to fraction form
    8,881.88/13,321.87 = 4,717.46/x
  3. Step 3: Cross multiply
    8,881.88x = 13,321.87 × 4,717.46
  4. Step 4: Simplify right side
    8,881.88x = 62,845,410.36
  5. Step 5: Solve for x
    x = 62,845,410.36/8,881.88
  6. Step 6: Final answer
    x = 7,075.69

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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.