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Finding the Fourth Proportional to 41,475, 57,236.40 and 22,612.20

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Solution

The fourth proportional to 41,475, 57,236.40 and 22,612.20 is: 31,205.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,475 : 57,236.40 = 22,612.20 : x
  2. Step 2: Convert to fraction form
    41,475/57,236.40 = 22,612.20/x
  3. Step 3: Cross multiply
    41,475x = 57,236.40 × 22,612.20
  4. Step 4: Simplify right side
    41,475x = 1,294,240,924.08
  5. Step 5: Solve for x
    x = 1,294,240,924.08/41,475
  6. Step 6: Final answer
    x = 31,205.33

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Double scale
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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.