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Finding the Fourth Proportional to 21,566.69, 32,349.71 and 6,776.49

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Solution

The fourth proportional to 21,566.69, 32,349.71 and 6,776.49 is: 10,164.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,566.69 : 32,349.71 = 6,776.49 : x
  2. Step 2: Convert to fraction form
    21,566.69/32,349.71 = 6,776.49/x
  3. Step 3: Cross multiply
    21,566.69x = 32,349.71 × 6,776.49
  4. Step 4: Simplify right side
    21,566.69x = 219,217,452.44
  5. Step 5: Solve for x
    x = 219,217,452.44/21,566.69
  6. Step 6: Final answer
    x = 10,164.63

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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.