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Finding the Fourth Proportional to 66,612.06, 99,927.81 and 22,230.54

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Solution

The fourth proportional to 66,612.06, 99,927.81 and 22,230.54 is: 33,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,612.06 : 99,927.81 = 22,230.54 : x
  2. Step 2: Convert to fraction form
    66,612.06/99,927.81 = 22,230.54/x
  3. Step 3: Cross multiply
    66,612.06x = 99,927.81 × 22,230.54
  4. Step 4: Simplify right side
    66,612.06x = 2,221,449,177.32
  5. Step 5: Solve for x
    x = 2,221,449,177.32/66,612.06
  6. Step 6: Final answer
    x = 33,349.05

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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.