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Finding the Fourth Proportional to 71,592.57, 107,388.86 and 19,000.69

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Solution

The fourth proportional to 71,592.57, 107,388.86 and 19,000.69 is: 28,501.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,592.57 : 107,388.86 = 19,000.69 : x
  2. Step 2: Convert to fraction form
    71,592.57/107,388.86 = 19,000.69/x
  3. Step 3: Cross multiply
    71,592.57x = 107,388.86 × 19,000.69
  4. Step 4: Simplify right side
    71,592.57x = 2,040,462,074.84
  5. Step 5: Solve for x
    x = 2,040,462,074.84/71,592.57
  6. Step 6: Final answer
    x = 28,501.03

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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.