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Finding the Fourth Proportional to 12,070.43, 18,107.01 and 10,830.22

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Solution

The fourth proportional to 12,070.43, 18,107.01 and 10,830.22 is: 16,246.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070.43 : 18,107.01 = 10,830.22 : x
  2. Step 2: Convert to fraction form
    12,070.43/18,107.01 = 10,830.22/x
  3. Step 3: Cross multiply
    12,070.43x = 18,107.01 × 10,830.22
  4. Step 4: Simplify right side
    12,070.43x = 196,102,757.16
  5. Step 5: Solve for x
    x = 196,102,757.16/12,070.43
  6. Step 6: Final answer
    x = 16,246.55

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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.