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Finding the Fourth Proportional to 22,386.60, 33,579.90 and 16,190.10

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Solution

The fourth proportional to 22,386.60, 33,579.90 and 16,190.10 is: 24,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,386.60 : 33,579.90 = 16,190.10 : x
  2. Step 2: Convert to fraction form
    22,386.60/33,579.90 = 16,190.10/x
  3. Step 3: Cross multiply
    22,386.60x = 33,579.90 × 16,190.10
  4. Step 4: Simplify right side
    22,386.60x = 543,661,938.99
  5. Step 5: Solve for x
    x = 543,661,938.99/22,386.60
  6. Step 6: Final answer
    x = 24,285.15

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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.