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Finding the Fourth Proportional to 66,010.36, 91,099.12 and 37,715.44

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Solution

The fourth proportional to 66,010.36, 91,099.12 and 37,715.44 is: 52,050.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,010.36 : 91,099.12 = 37,715.44 : x
  2. Step 2: Convert to fraction form
    66,010.36/91,099.12 = 37,715.44/x
  3. Step 3: Cross multiply
    66,010.36x = 91,099.12 × 37,715.44
  4. Step 4: Simplify right side
    66,010.36x = 3,435,843,394.41
  5. Step 5: Solve for x
    x = 3,435,843,394.41/66,010.36
  6. Step 6: Final answer
    x = 52,050.06

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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.