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Finding the Fourth Proportional to 8,876.35, 12,253.25 and 5,894.74

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Solution

The fourth proportional to 8,876.35, 12,253.25 and 5,894.74 is: 8,137.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.35 : 12,253.25 = 5,894.74 : x
  2. Step 2: Convert to fraction form
    8,876.35/12,253.25 = 5,894.74/x
  3. Step 3: Cross multiply
    8,876.35x = 12,253.25 × 5,894.74
  4. Step 4: Simplify right side
    8,876.35x = 72,229,707.01
  5. Step 5: Solve for x
    x = 72,229,707.01/8,876.35
  6. Step 6: Final answer
    x = 8,137.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.