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Finding the Fourth Proportional to 19,878.39, 29,817.57 and 6,027.39

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Solution

The fourth proportional to 19,878.39, 29,817.57 and 6,027.39 is: 9,041.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,878.39 : 29,817.57 = 6,027.39 : x
  2. Step 2: Convert to fraction form
    19,878.39/29,817.57 = 6,027.39/x
  3. Step 3: Cross multiply
    19,878.39x = 29,817.57 × 6,027.39
  4. Step 4: Simplify right side
    19,878.39x = 179,722,123.24
  5. Step 5: Solve for x
    x = 179,722,123.24/19,878.39
  6. Step 6: Final answer
    x = 9,041.08

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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.