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Finding the Fourth Proportional to 44,331.40, 66,485.40 and 22,128.40

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Solution

The fourth proportional to 44,331.40, 66,485.40 and 22,128.40 is: 33,186.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,331.40 : 66,485.40 = 22,128.40 : x
  2. Step 2: Convert to fraction form
    44,331.40/66,485.40 = 22,128.40/x
  3. Step 3: Cross multiply
    44,331.40x = 66,485.40 × 22,128.40
  4. Step 4: Simplify right side
    44,331.40x = 1,471,215,525.36
  5. Step 5: Solve for x
    x = 1,471,215,525.36/44,331.40
  6. Step 6: Final answer
    x = 33,186.76

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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.