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Finding the Fourth Proportional to 27,307.03, 40,966.02 and 8,591.79

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Solution

The fourth proportional to 27,307.03, 40,966.02 and 8,591.79 is: 12,889.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,307.03 : 40,966.02 = 8,591.79 : x
  2. Step 2: Convert to fraction form
    27,307.03/40,966.02 = 8,591.79/x
  3. Step 3: Cross multiply
    27,307.03x = 40,966.02 × 8,591.79
  4. Step 4: Simplify right side
    27,307.03x = 351,971,440.98
  5. Step 5: Solve for x
    x = 351,971,440.98/27,307.03
  6. Step 6: Final answer
    x = 12,889.41

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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.