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Finding the Fourth Proportional to 22,008, 32,995.60 and 13,240.87

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Solution

The fourth proportional to 22,008, 32,995.60 and 13,240.87 is: 19,851.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,008 : 32,995.60 = 13,240.87 : x
  2. Step 2: Convert to fraction form
    22,008/32,995.60 = 13,240.87/x
  3. Step 3: Cross multiply
    22,008x = 32,995.60 × 13,240.87
  4. Step 4: Simplify right side
    22,008x = 436,890,450.17
  5. Step 5: Solve for x
    x = 436,890,450.17/22,008
  6. Step 6: Final answer
    x = 19,851.44

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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.