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Finding the Fourth Proportional to 57,209.68, 78,966.66 and 37,067.68

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Solution

The fourth proportional to 57,209.68, 78,966.66 and 37,067.68 is: 51,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,209.68 : 78,966.66 = 37,067.68 : x
  2. Step 2: Convert to fraction form
    57,209.68/78,966.66 = 37,067.68/x
  3. Step 3: Cross multiply
    57,209.68x = 78,966.66 × 37,067.68
  4. Step 4: Simplify right side
    57,209.68x = 2,927,110,883.55
  5. Step 5: Solve for x
    x = 2,927,110,883.55/57,209.68
  6. Step 6: Final answer
    x = 51,164.61

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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.