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Finding the Fourth Proportional to 59,303.96, 81,893.90 and 38,120.12

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Solution

The fourth proportional to 59,303.96, 81,893.90 and 38,120.12 is: 52,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,303.96 : 81,893.90 = 38,120.12 : x
  2. Step 2: Convert to fraction form
    59,303.96/81,893.90 = 38,120.12/x
  3. Step 3: Cross multiply
    59,303.96x = 81,893.90 × 38,120.12
  4. Step 4: Simplify right side
    59,303.96x = 3,121,805,295.27
  5. Step 5: Solve for x
    x = 3,121,805,295.27/59,303.96
  6. Step 6: Final answer
    x = 52,640.76

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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.