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Finding the Fourth Proportional to 8,849.72, 12,211.02 and 6,497.48

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Solution

The fourth proportional to 8,849.72, 12,211.02 and 6,497.48 is: 8,965.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.72 : 12,211.02 = 6,497.48 : x
  2. Step 2: Convert to fraction form
    8,849.72/12,211.02 = 6,497.48/x
  3. Step 3: Cross multiply
    8,849.72x = 12,211.02 × 6,497.48
  4. Step 4: Simplify right side
    8,849.72x = 79,340,858.23
  5. Step 5: Solve for x
    x = 79,340,858.23/8,849.72
  6. Step 6: Final answer
    x = 8,965.35

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1.5x scale

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.