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Finding the Fourth Proportional to 15,900.91, 23,850.85 and 7,013.48

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Solution

The fourth proportional to 15,900.91, 23,850.85 and 7,013.48 is: 10,519.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,900.91 : 23,850.85 = 7,013.48 : x
  2. Step 2: Convert to fraction form
    15,900.91/23,850.85 = 7,013.48/x
  3. Step 3: Cross multiply
    15,900.91x = 23,850.85 × 7,013.48
  4. Step 4: Simplify right side
    15,900.91x = 167,277,459.46
  5. Step 5: Solve for x
    x = 167,277,459.46/15,900.91
  6. Step 6: Final answer
    x = 10,519.99

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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.