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Finding the Fourth Proportional to 38,261.41, 52,800.47 and 21,494.41

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Solution

The fourth proportional to 38,261.41, 52,800.47 and 21,494.41 is: 29,662.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,261.41 : 52,800.47 = 21,494.41 : x
  2. Step 2: Convert to fraction form
    38,261.41/52,800.47 = 21,494.41/x
  3. Step 3: Cross multiply
    38,261.41x = 52,800.47 × 21,494.41
  4. Step 4: Simplify right side
    38,261.41x = 1,134,914,842.90
  5. Step 5: Solve for x
    x = 1,134,914,842.90/38,261.41
  6. Step 6: Final answer
    x = 29,662.13

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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.