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Finding the Fourth Proportional to 19,249.68, 28,878.84 and 6,102.84

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Solution

The fourth proportional to 19,249.68, 28,878.84 and 6,102.84 is: 9,155.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,249.68 : 28,878.84 = 6,102.84 : x
  2. Step 2: Convert to fraction form
    19,249.68/28,878.84 = 6,102.84/x
  3. Step 3: Cross multiply
    19,249.68x = 28,878.84 × 6,102.84
  4. Step 4: Simplify right side
    19,249.68x = 176,242,939.91
  5. Step 5: Solve for x
    x = 176,242,939.91/19,249.68
  6. Step 6: Final answer
    x = 9,155.63

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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.