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Finding the Fourth Proportional to 22,114.70, 33,127.58 and 10,987.70

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Solution

The fourth proportional to 22,114.70, 33,127.58 and 10,987.70 is: 16,459.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,114.70 : 33,127.58 = 10,987.70 : x
  2. Step 2: Convert to fraction form
    22,114.70/33,127.58 = 10,987.70/x
  3. Step 3: Cross multiply
    22,114.70x = 33,127.58 × 10,987.70
  4. Step 4: Simplify right side
    22,114.70x = 363,995,910.77
  5. Step 5: Solve for x
    x = 363,995,910.77/22,114.70
  6. Step 6: Final answer
    x = 16,459.46

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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.