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Finding the Fourth Proportional to 60,644.31, 83,686.50 and 33,789.75

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Solution

The fourth proportional to 60,644.31, 83,686.50 and 33,789.75 is: 46,628.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,644.31 : 83,686.50 = 33,789.75 : x
  2. Step 2: Convert to fraction form
    60,644.31/83,686.50 = 33,789.75/x
  3. Step 3: Cross multiply
    60,644.31x = 83,686.50 × 33,789.75
  4. Step 4: Simplify right side
    60,644.31x = 2,827,745,913.38
  5. Step 5: Solve for x
    x = 2,827,745,913.38/60,644.31
  6. Step 6: Final answer
    x = 46,628.38

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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.