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Finding the Fourth Proportional to 22,165.70, 33,242.70 and 11,064.20

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Solution

The fourth proportional to 22,165.70, 33,242.70 and 11,064.20 is: 16,593.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,165.70 : 33,242.70 = 11,064.20 : x
  2. Step 2: Convert to fraction form
    22,165.70/33,242.70 = 11,064.20/x
  3. Step 3: Cross multiply
    22,165.70x = 33,242.70 × 11,064.20
  4. Step 4: Simplify right side
    22,165.70x = 367,803,881.34
  5. Step 5: Solve for x
    x = 367,803,881.34/22,165.70
  6. Step 6: Final answer
    x = 16,593.38

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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.