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Finding the Fourth Proportional to 22,387.32, 33,578.80 and 6,805.08

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Solution

The fourth proportional to 22,387.32, 33,578.80 and 6,805.08 is: 10,206.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,387.32 : 33,578.80 = 6,805.08 : x
  2. Step 2: Convert to fraction form
    22,387.32/33,578.80 = 6,805.08/x
  3. Step 3: Cross multiply
    22,387.32x = 33,578.80 × 6,805.08
  4. Step 4: Simplify right side
    22,387.32x = 228,506,420.30
  5. Step 5: Solve for x
    x = 228,506,420.30/22,387.32
  6. Step 6: Final answer
    x = 10,206.96

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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.