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Finding the Fourth Proportional to 56,141.44, 84,201.12 and 26,555

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Solution

The fourth proportional to 56,141.44, 84,201.12 and 26,555 is: 39,827.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,141.44 : 84,201.12 = 26,555 : x
  2. Step 2: Convert to fraction form
    56,141.44/84,201.12 = 26,555/x
  3. Step 3: Cross multiply
    56,141.44x = 84,201.12 × 26,555
  4. Step 4: Simplify right side
    56,141.44x = 2,235,960,741.60
  5. Step 5: Solve for x
    x = 2,235,960,741.60/56,141.44
  6. Step 6: Final answer
    x = 39,827.28

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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.