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Finding the Fourth Proportional to 69,710.64, 96,200.50 and 37,879.54

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Solution

The fourth proportional to 69,710.64, 96,200.50 and 37,879.54 is: 52,273.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,710.64 : 96,200.50 = 37,879.54 : x
  2. Step 2: Convert to fraction form
    69,710.64/96,200.50 = 37,879.54/x
  3. Step 3: Cross multiply
    69,710.64x = 96,200.50 × 37,879.54
  4. Step 4: Simplify right side
    69,710.64x = 3,644,030,687.77
  5. Step 5: Solve for x
    x = 3,644,030,687.77/69,710.64
  6. Step 6: Final answer
    x = 52,273.67

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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.