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Finding the Fourth Proportional to 8,806.54, 12,151.74 and 5,269

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Solution

The fourth proportional to 8,806.54, 12,151.74 and 5,269 is: 7,270.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.54 : 12,151.74 = 5,269 : x
  2. Step 2: Convert to fraction form
    8,806.54/12,151.74 = 5,269/x
  3. Step 3: Cross multiply
    8,806.54x = 12,151.74 × 5,269
  4. Step 4: Simplify right side
    8,806.54x = 64,027,518.06
  5. Step 5: Solve for x
    x = 64,027,518.06/8,806.54
  6. Step 6: Final answer
    x = 7,270.45

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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.