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Finding the Fourth Proportional to 56,936.16, 85,404.40 and 33,530.40

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Solution

The fourth proportional to 56,936.16, 85,404.40 and 33,530.40 is: 50,295.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,936.16 : 85,404.40 = 33,530.40 : x
  2. Step 2: Convert to fraction form
    56,936.16/85,404.40 = 33,530.40/x
  3. Step 3: Cross multiply
    56,936.16x = 85,404.40 × 33,530.40
  4. Step 4: Simplify right side
    56,936.16x = 2,863,643,693.76
  5. Step 5: Solve for x
    x = 2,863,643,693.76/56,936.16
  6. Step 6: Final answer
    x = 50,295.69

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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.