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Finding the Fourth Proportional to 56,165.56, 84,228.90 and 31,243.48

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Solution

The fourth proportional to 56,165.56, 84,228.90 and 31,243.48 is: 46,854.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,165.56 : 84,228.90 = 31,243.48 : x
  2. Step 2: Convert to fraction form
    56,165.56/84,228.90 = 31,243.48/x
  3. Step 3: Cross multiply
    56,165.56x = 84,228.90 × 31,243.48
  4. Step 4: Simplify right side
    56,165.56x = 2,631,603,952.57
  5. Step 5: Solve for x
    x = 2,631,603,952.57/56,165.56
  6. Step 6: Final answer
    x = 46,854.41

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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.