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Finding the Fourth Proportional to 27,246.28, 40,869.51 and 7,524.40

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Solution

The fourth proportional to 27,246.28, 40,869.51 and 7,524.40 is: 11,286.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,246.28 : 40,869.51 = 7,524.40 : x
  2. Step 2: Convert to fraction form
    27,246.28/40,869.51 = 7,524.40/x
  3. Step 3: Cross multiply
    27,246.28x = 40,869.51 × 7,524.40
  4. Step 4: Simplify right side
    27,246.28x = 307,518,541.04
  5. Step 5: Solve for x
    x = 307,518,541.04/27,246.28
  6. Step 6: Final answer
    x = 11,286.62

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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.