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Finding the Fourth Proportional to 40,263, 55,562.94 and 22,360.92

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Solution

The fourth proportional to 40,263, 55,562.94 and 22,360.92 is: 30,858.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,263 : 55,562.94 = 22,360.92 : x
  2. Step 2: Convert to fraction form
    40,263/55,562.94 = 22,360.92/x
  3. Step 3: Cross multiply
    40,263x = 55,562.94 × 22,360.92
  4. Step 4: Simplify right side
    40,263x = 1,242,438,456.30
  5. Step 5: Solve for x
    x = 1,242,438,456.30/40,263
  6. Step 6: Final answer
    x = 30,858.07

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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.