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Finding the Fourth Proportional to 18,446.05, 27,642.61 and 10,532.17

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Solution

The fourth proportional to 18,446.05, 27,642.61 and 10,532.17 is: 15,783.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,446.05 : 27,642.61 = 10,532.17 : x
  2. Step 2: Convert to fraction form
    18,446.05/27,642.61 = 10,532.17/x
  3. Step 3: Cross multiply
    18,446.05x = 27,642.61 × 10,532.17
  4. Step 4: Simplify right side
    18,446.05x = 291,136,667.76
  5. Step 5: Solve for x
    x = 291,136,667.76/18,446.05
  6. Step 6: Final answer
    x = 15,783.14

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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.