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Finding the Fourth Proportional to 19,216.62, 28,830.06 and 6,069.24

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Solution

The fourth proportional to 19,216.62, 28,830.06 and 6,069.24 is: 9,105.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.62 : 28,830.06 = 6,069.24 : x
  2. Step 2: Convert to fraction form
    19,216.62/28,830.06 = 6,069.24/x
  3. Step 3: Cross multiply
    19,216.62x = 28,830.06 × 6,069.24
  4. Step 4: Simplify right side
    19,216.62x = 174,976,553.35
  5. Step 5: Solve for x
    x = 174,976,553.35/19,216.62
  6. Step 6: Final answer
    x = 9,105.48

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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.