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Finding the Fourth Proportional to 66,232.56, 91,399.14 and 37,557.48

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Solution

The fourth proportional to 66,232.56, 91,399.14 and 37,557.48 is: 51,828.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,232.56 : 91,399.14 = 37,557.48 : x
  2. Step 2: Convert to fraction form
    66,232.56/91,399.14 = 37,557.48/x
  3. Step 3: Cross multiply
    66,232.56x = 91,399.14 × 37,557.48
  4. Step 4: Simplify right side
    66,232.56x = 3,432,721,372.57
  5. Step 5: Solve for x
    x = 3,432,721,372.57/66,232.56
  6. Step 6: Final answer
    x = 51,828.31

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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.