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Finding the Fourth Proportional to 8,974.55, 13,461.83 and 4,038.42

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Solution

The fourth proportional to 8,974.55, 13,461.83 and 4,038.42 is: 6,057.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974.55 : 13,461.83 = 4,038.42 : x
  2. Step 2: Convert to fraction form
    8,974.55/13,461.83 = 4,038.42/x
  3. Step 3: Cross multiply
    8,974.55x = 13,461.83 × 4,038.42
  4. Step 4: Simplify right side
    8,974.55x = 54,364,503.32
  5. Step 5: Solve for x
    x = 54,364,503.32/8,974.55
  6. Step 6: Final answer
    x = 6,057.63

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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.