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Finding the Fourth Proportional to 16,101.60, 22,220.70 and 9,028.20

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Solution

The fourth proportional to 16,101.60, 22,220.70 and 9,028.20 is: 12,459.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,101.60 : 22,220.70 = 9,028.20 : x
  2. Step 2: Convert to fraction form
    16,101.60/22,220.70 = 9,028.20/x
  3. Step 3: Cross multiply
    16,101.60x = 22,220.70 × 9,028.20
  4. Step 4: Simplify right side
    16,101.60x = 200,612,923.74
  5. Step 5: Solve for x
    x = 200,612,923.74/16,101.60
  6. Step 6: Final answer
    x = 12,459.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.