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Finding the Fourth Proportional to 66,944.51, 100,346.70 and 22,555.92

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Solution

The fourth proportional to 66,944.51, 100,346.70 and 22,555.92 is: 33,810.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,944.51 : 100,346.70 = 22,555.92 : x
  2. Step 2: Convert to fraction form
    66,944.51/100,346.70 = 22,555.92/x
  3. Step 3: Cross multiply
    66,944.51x = 100,346.70 × 22,555.92
  4. Step 4: Simplify right side
    66,944.51x = 2,263,412,137.46
  5. Step 5: Solve for x
    x = 2,263,412,137.46/66,944.51
  6. Step 6: Final answer
    x = 33,810.27

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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.