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Finding the Fourth Proportional to 61,785.88, 85,034.67 and 50,944.03

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Solution

The fourth proportional to 61,785.88, 85,034.67 and 50,944.03 is: 70,113.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,785.88 : 85,034.67 = 50,944.03 : x
  2. Step 2: Convert to fraction form
    61,785.88/85,034.67 = 50,944.03/x
  3. Step 3: Cross multiply
    61,785.88x = 85,034.67 × 50,944.03
  4. Step 4: Simplify right side
    61,785.88x = 4,332,008,779.52
  5. Step 5: Solve for x
    x = 4,332,008,779.52/61,785.88
  6. Step 6: Final answer
    x = 70,113.25

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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.