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Finding the Fourth Proportional to 18,337.55, 27,506.33 and 10,013.03

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Solution

The fourth proportional to 18,337.55, 27,506.33 and 10,013.03 is: 15,019.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337.55 : 27,506.33 = 10,013.03 : x
  2. Step 2: Convert to fraction form
    18,337.55/27,506.33 = 10,013.03/x
  3. Step 3: Cross multiply
    18,337.55x = 27,506.33 × 10,013.03
  4. Step 4: Simplify right side
    18,337.55x = 275,421,679.36
  5. Step 5: Solve for x
    x = 275,421,679.36/18,337.55
  6. Step 6: Final answer
    x = 15,019.54

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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.