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Finding the Fourth Proportional to 8,889.98, 13,332.51 and 3,342.92

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Solution

The fourth proportional to 8,889.98, 13,332.51 and 3,342.92 is: 5,013.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.98 : 13,332.51 = 3,342.92 : x
  2. Step 2: Convert to fraction form
    8,889.98/13,332.51 = 3,342.92/x
  3. Step 3: Cross multiply
    8,889.98x = 13,332.51 × 3,342.92
  4. Step 4: Simplify right side
    8,889.98x = 44,569,447.67
  5. Step 5: Solve for x
    x = 44,569,447.67/8,889.98
  6. Step 6: Final answer
    x = 5,013.45

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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.