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Finding the Fourth Proportional to 19,326.62, 28,995.06 and 6,179.24

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Solution

The fourth proportional to 19,326.62, 28,995.06 and 6,179.24 is: 9,270.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.62 : 28,995.06 = 6,179.24 : x
  2. Step 2: Convert to fraction form
    19,326.62/28,995.06 = 6,179.24/x
  3. Step 3: Cross multiply
    19,326.62x = 28,995.06 × 6,179.24
  4. Step 4: Simplify right side
    19,326.62x = 179,167,434.55
  5. Step 5: Solve for x
    x = 179,167,434.55/19,326.62
  6. Step 6: Final answer
    x = 9,270.50

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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.