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Finding the Fourth Proportional to 69,221.64, 95,525.83 and 37,390.53

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Solution

The fourth proportional to 69,221.64, 95,525.83 and 37,390.53 is: 51,598.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,221.64 : 95,525.83 = 37,390.53 : x
  2. Step 2: Convert to fraction form
    69,221.64/95,525.83 = 37,390.53/x
  3. Step 3: Cross multiply
    69,221.64x = 95,525.83 × 37,390.53
  4. Step 4: Simplify right side
    69,221.64x = 3,571,761,412.39
  5. Step 5: Solve for x
    x = 3,571,761,412.39/69,221.64
  6. Step 6: Final answer
    x = 51,598.91

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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.