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Finding the Fourth Proportional to 66,045.59, 91,121.37 and 37,362.48

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Solution

The fourth proportional to 66,045.59, 91,121.37 and 37,362.48 is: 51,548.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,045.59 : 91,121.37 = 37,362.48 : x
  2. Step 2: Convert to fraction form
    66,045.59/91,121.37 = 37,362.48/x
  3. Step 3: Cross multiply
    66,045.59x = 91,121.37 × 37,362.48
  4. Step 4: Simplify right side
    66,045.59x = 3,404,520,364.20
  5. Step 5: Solve for x
    x = 3,404,520,364.20/66,045.59
  6. Step 6: Final answer
    x = 51,548.03

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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.