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Finding the Fourth Proportional to 22,779.82, 34,169.53 and 7,197.45

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Solution

The fourth proportional to 22,779.82, 34,169.53 and 7,197.45 is: 10,796.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,779.82 : 34,169.53 = 7,197.45 : x
  2. Step 2: Convert to fraction form
    22,779.82/34,169.53 = 7,197.45/x
  3. Step 3: Cross multiply
    22,779.82x = 34,169.53 × 7,197.45
  4. Step 4: Simplify right side
    22,779.82x = 245,933,483.70
  5. Step 5: Solve for x
    x = 245,933,483.70/22,779.82
  6. Step 6: Final answer
    x = 10,796.11

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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.