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Finding the Fourth Proportional to 19,593.35, 29,377.24 and 7,111.01

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Solution

The fourth proportional to 19,593.35, 29,377.24 and 7,111.01 is: 10,661.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,593.35 : 29,377.24 = 7,111.01 : x
  2. Step 2: Convert to fraction form
    19,593.35/29,377.24 = 7,111.01/x
  3. Step 3: Cross multiply
    19,593.35x = 29,377.24 × 7,111.01
  4. Step 4: Simplify right side
    19,593.35x = 208,901,847.41
  5. Step 5: Solve for x
    x = 208,901,847.41/19,593.35
  6. Step 6: Final answer
    x = 10,661.87

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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.