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Finding the Fourth Proportional to 29,443.30, 44,164.95 and 20,112.10

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Solution

The fourth proportional to 29,443.30, 44,164.95 and 20,112.10 is: 30,168.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,443.30 : 44,164.95 = 20,112.10 : x
  2. Step 2: Convert to fraction form
    29,443.30/44,164.95 = 20,112.10/x
  3. Step 3: Cross multiply
    29,443.30x = 44,164.95 × 20,112.10
  4. Step 4: Simplify right side
    29,443.30x = 888,249,890.90
  5. Step 5: Solve for x
    x = 888,249,890.90/29,443.30
  6. Step 6: Final answer
    x = 30,168.15

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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.