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Finding the Fourth Proportional to 8,005.14, 12,061.08 and 7,226.02

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Solution

The fourth proportional to 8,005.14, 12,061.08 and 7,226.02 is: 10,887.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,005.14 : 12,061.08 = 7,226.02 : x
  2. Step 2: Convert to fraction form
    8,005.14/12,061.08 = 7,226.02/x
  3. Step 3: Cross multiply
    8,005.14x = 12,061.08 × 7,226.02
  4. Step 4: Simplify right side
    8,005.14x = 87,153,620.38
  5. Step 5: Solve for x
    x = 87,153,620.38/8,005.14
  6. Step 6: Final answer
    x = 10,887.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.