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Finding the Fourth Proportional to 66,333.42, 91,535.49 and 37,653.66

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Solution

The fourth proportional to 66,333.42, 91,535.49 and 37,653.66 is: 51,959.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,333.42 : 91,535.49 = 37,653.66 : x
  2. Step 2: Convert to fraction form
    66,333.42/91,535.49 = 37,653.66/x
  3. Step 3: Cross multiply
    66,333.42x = 91,535.49 × 37,653.66
  4. Step 4: Simplify right side
    66,333.42x = 3,446,646,218.39
  5. Step 5: Solve for x
    x = 3,446,646,218.39/66,333.42
  6. Step 6: Final answer
    x = 51,959.42

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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.