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Finding the Fourth Proportional to 19,443.30, 29,169.09 and 6,295.20

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Solution

The fourth proportional to 19,443.30, 29,169.09 and 6,295.20 is: 9,444.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,443.30 : 29,169.09 = 6,295.20 : x
  2. Step 2: Convert to fraction form
    19,443.30/29,169.09 = 6,295.20/x
  3. Step 3: Cross multiply
    19,443.30x = 29,169.09 × 6,295.20
  4. Step 4: Simplify right side
    19,443.30x = 183,625,255.37
  5. Step 5: Solve for x
    x = 183,625,255.37/19,443.30
  6. Step 6: Final answer
    x = 9,444.14

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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.