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Finding the Fourth Proportional to 27,114.01, 40,660.08 and 8,389.65

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Solution

The fourth proportional to 27,114.01, 40,660.08 and 8,389.65 is: 12,581.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,114.01 : 40,660.08 = 8,389.65 : x
  2. Step 2: Convert to fraction form
    27,114.01/40,660.08 = 8,389.65/x
  3. Step 3: Cross multiply
    27,114.01x = 40,660.08 × 8,389.65
  4. Step 4: Simplify right side
    27,114.01x = 341,123,840.17
  5. Step 5: Solve for x
    x = 341,123,840.17/27,114.01
  6. Step 6: Final answer
    x = 12,581.09

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1.5x scale

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.