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Finding the Fourth Proportional to 19,337.88, 29,019.78 and 7,025.88

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Solution

The fourth proportional to 19,337.88, 29,019.78 and 7,025.88 is: 10,543.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,337.88 : 29,019.78 = 7,025.88 : x
  2. Step 2: Convert to fraction form
    19,337.88/29,019.78 = 7,025.88/x
  3. Step 3: Cross multiply
    19,337.88x = 29,019.78 × 7,025.88
  4. Step 4: Simplify right side
    19,337.88x = 203,889,491.91
  5. Step 5: Solve for x
    x = 203,889,491.91/19,337.88
  6. Step 6: Final answer
    x = 10,543.53

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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.