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Finding the Fourth Proportional to 38,392.71, 52,961.67 and 26,435.28

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Solution

The fourth proportional to 38,392.71, 52,961.67 and 26,435.28 is: 36,466.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,392.71 : 52,961.67 = 26,435.28 : x
  2. Step 2: Convert to fraction form
    38,392.71/52,961.67 = 26,435.28/x
  3. Step 3: Cross multiply
    38,392.71x = 52,961.67 × 26,435.28
  4. Step 4: Simplify right side
    38,392.71x = 1,400,056,575.72
  5. Step 5: Solve for x
    x = 1,400,056,575.72/38,392.71
  6. Step 6: Final answer
    x = 36,466.73

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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.