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Finding the Fourth Proportional to 66,173.97, 91,323.58 and 37,499.19

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Solution

The fourth proportional to 66,173.97, 91,323.58 and 37,499.19 is: 51,750.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,173.97 : 91,323.58 = 37,499.19 : x
  2. Step 2: Convert to fraction form
    66,173.97/91,323.58 = 37,499.19/x
  3. Step 3: Cross multiply
    66,173.97x = 91,323.58 × 37,499.19
  4. Step 4: Simplify right side
    66,173.97x = 3,424,560,277.90
  5. Step 5: Solve for x
    x = 3,424,560,277.90/66,173.97
  6. Step 6: Final answer
    x = 51,750.87

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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.