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Finding the Fourth Proportional to 66,047.91, 91,146.11 and 37,754.20

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Solution

The fourth proportional to 66,047.91, 91,146.11 and 37,754.20 is: 52,100.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,047.91 : 91,146.11 = 37,754.20 : x
  2. Step 2: Convert to fraction form
    66,047.91/91,146.11 = 37,754.20/x
  3. Step 3: Cross multiply
    66,047.91x = 91,146.11 × 37,754.20
  4. Step 4: Simplify right side
    66,047.91x = 3,441,148,603.69
  5. Step 5: Solve for x
    x = 3,441,148,603.69/66,047.91
  6. Step 6: Final answer
    x = 52,100.80

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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.