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Finding the Fourth Proportional to 22,643.21, 33,933.94 and 8,595.72

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Solution

The fourth proportional to 22,643.21, 33,933.94 and 8,595.72 is: 12,881.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,643.21 : 33,933.94 = 8,595.72 : x
  2. Step 2: Convert to fraction form
    22,643.21/33,933.94 = 8,595.72/x
  3. Step 3: Cross multiply
    22,643.21x = 33,933.94 × 8,595.72
  4. Step 4: Simplify right side
    22,643.21x = 291,686,625.25
  5. Step 5: Solve for x
    x = 291,686,625.25/22,643.21
  6. Step 6: Final answer
    x = 12,881.86

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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.