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Finding the Fourth Proportional to 8,877.82, 13,316.74 and 3,034.48

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Solution

The fourth proportional to 8,877.82, 13,316.74 and 3,034.48 is: 4,551.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.82 : 13,316.74 = 3,034.48 : x
  2. Step 2: Convert to fraction form
    8,877.82/13,316.74 = 3,034.48/x
  3. Step 3: Cross multiply
    8,877.82x = 13,316.74 × 3,034.48
  4. Step 4: Simplify right side
    8,877.82x = 40,409,381.20
  5. Step 5: Solve for x
    x = 40,409,381.20/8,877.82
  6. Step 6: Final answer
    x = 4,551.72

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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.