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Finding the Fourth Proportional to 10,059.45, 15,089.17 and 3,817.99

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Solution

The fourth proportional to 10,059.45, 15,089.17 and 3,817.99 is: 5,726.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,059.45 : 15,089.17 = 3,817.99 : x
  2. Step 2: Convert to fraction form
    10,059.45/15,089.17 = 3,817.99/x
  3. Step 3: Cross multiply
    10,059.45x = 15,089.17 × 3,817.99
  4. Step 4: Simplify right side
    10,059.45x = 57,610,247.87
  5. Step 5: Solve for x
    x = 57,610,247.87/10,059.45
  6. Step 6: Final answer
    x = 5,726.98

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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.