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Finding the Fourth Proportional to 8,674.08, 13,011.13 and 4,968.40

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Solution

The fourth proportional to 8,674.08, 13,011.13 and 4,968.40 is: 7,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.08 : 13,011.13 = 4,968.40 : x
  2. Step 2: Convert to fraction form
    8,674.08/13,011.13 = 4,968.40/x
  3. Step 3: Cross multiply
    8,674.08x = 13,011.13 × 4,968.40
  4. Step 4: Simplify right side
    8,674.08x = 64,644,473.45
  5. Step 5: Solve for x
    x = 64,644,473.45/8,674.08
  6. Step 6: Final answer
    x = 7,452.60

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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.