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Finding the Fourth Proportional to 66,248.48, 91,399.56 and 37,563.86

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Solution

The fourth proportional to 66,248.48, 91,399.56 and 37,563.86 is: 51,824.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,248.48 : 91,399.56 = 37,563.86 : x
  2. Step 2: Convert to fraction form
    66,248.48/91,399.56 = 37,563.86/x
  3. Step 3: Cross multiply
    66,248.48x = 91,399.56 × 37,563.86
  4. Step 4: Simplify right side
    66,248.48x = 3,433,320,275.90
  5. Step 5: Solve for x
    x = 3,433,320,275.90/66,248.48
  6. Step 6: Final answer
    x = 51,824.89

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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.