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Finding the Fourth Proportional to 56,359.59, 84,507.75 and 38,610.30

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Solution

The fourth proportional to 56,359.59, 84,507.75 and 38,610.30 is: 57,893.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,359.59 : 84,507.75 = 38,610.30 : x
  2. Step 2: Convert to fraction form
    56,359.59/84,507.75 = 38,610.30/x
  3. Step 3: Cross multiply
    56,359.59x = 84,507.75 × 38,610.30
  4. Step 4: Simplify right side
    56,359.59x = 3,262,869,579.83
  5. Step 5: Solve for x
    x = 3,262,869,579.83/56,359.59
  6. Step 6: Final answer
    x = 57,893.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.