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Finding the Fourth Proportional to 40,393.25, 55,747.01 and 23,640.29

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Solution

The fourth proportional to 40,393.25, 55,747.01 and 23,640.29 is: 32,626.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,393.25 : 55,747.01 = 23,640.29 : x
  2. Step 2: Convert to fraction form
    40,393.25/55,747.01 = 23,640.29/x
  3. Step 3: Cross multiply
    40,393.25x = 55,747.01 × 23,640.29
  4. Step 4: Simplify right side
    40,393.25x = 1,317,875,364.83
  5. Step 5: Solve for x
    x = 1,317,875,364.83/40,393.25
  6. Step 6: Final answer
    x = 32,626.13

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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.