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Finding the Fourth Proportional to 19,897.92, 29,846.25 and 6,750.41

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Solution

The fourth proportional to 19,897.92, 29,846.25 and 6,750.41 is: 10,125.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,897.92 : 29,846.25 = 6,750.41 : x
  2. Step 2: Convert to fraction form
    19,897.92/29,846.25 = 6,750.41/x
  3. Step 3: Cross multiply
    19,897.92x = 29,846.25 × 6,750.41
  4. Step 4: Simplify right side
    19,897.92x = 201,474,275.23
  5. Step 5: Solve for x
    x = 201,474,275.23/19,897.92
  6. Step 6: Final answer
    x = 10,125.39

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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.