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Finding the Fourth Proportional to 8,794.12, 12,148.98 and 5,776.36

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Solution

The fourth proportional to 8,794.12, 12,148.98 and 5,776.36 is: 7,979.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.12 : 12,148.98 = 5,776.36 : x
  2. Step 2: Convert to fraction form
    8,794.12/12,148.98 = 5,776.36/x
  3. Step 3: Cross multiply
    8,794.12x = 12,148.98 × 5,776.36
  4. Step 4: Simplify right side
    8,794.12x = 70,176,882.11
  5. Step 5: Solve for x
    x = 70,176,882.11/8,794.12
  6. Step 6: Final answer
    x = 7,979.98

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