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Finding the Fourth Proportional to 66,524.94, 91,772.58 and 45,022.20

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Solution

The fourth proportional to 66,524.94, 91,772.58 and 45,022.20 is: 62,109.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,524.94 : 91,772.58 = 45,022.20 : x
  2. Step 2: Convert to fraction form
    66,524.94/91,772.58 = 45,022.20/x
  3. Step 3: Cross multiply
    66,524.94x = 91,772.58 × 45,022.20
  4. Step 4: Simplify right side
    66,524.94x = 4,131,803,451.28
  5. Step 5: Solve for x
    x = 4,131,803,451.28/66,524.94
  6. Step 6: Final answer
    x = 62,109.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.