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Finding the Fourth Proportional to 10,014.19, 15,013.99 and 4,813.99

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Solution

The fourth proportional to 10,014.19, 15,013.99 and 4,813.99 is: 7,217.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.19 : 15,013.99 = 4,813.99 : x
  2. Step 2: Convert to fraction form
    10,014.19/15,013.99 = 4,813.99/x
  3. Step 3: Cross multiply
    10,014.19x = 15,013.99 × 4,813.99
  4. Step 4: Simplify right side
    10,014.19x = 72,277,197.72
  5. Step 5: Solve for x
    x = 72,277,197.72/10,014.19
  6. Step 6: Final answer
    x = 7,217.48

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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.