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Finding the Fourth Proportional to 8,597.13, 12,894.09 and 2,974.77

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Solution

The fourth proportional to 8,597.13, 12,894.09 and 2,974.77 is: 4,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,597.13 : 12,894.09 = 2,974.77 : x
  2. Step 2: Convert to fraction form
    8,597.13/12,894.09 = 2,974.77/x
  3. Step 3: Cross multiply
    8,597.13x = 12,894.09 × 2,974.77
  4. Step 4: Simplify right side
    8,597.13x = 38,356,952.11
  5. Step 5: Solve for x
    x = 38,356,952.11/8,597.13
  6. Step 6: Final answer
    x = 4,461.60

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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.