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Finding the Fourth Proportional to 38,369.70, 52,958.36 and 25,787.16

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Solution

The fourth proportional to 38,369.70, 52,958.36 and 25,787.16 is: 35,591.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,369.70 : 52,958.36 = 25,787.16 : x
  2. Step 2: Convert to fraction form
    38,369.70/52,958.36 = 25,787.16/x
  3. Step 3: Cross multiply
    38,369.70x = 52,958.36 × 25,787.16
  4. Step 4: Simplify right side
    38,369.70x = 1,365,645,702.66
  5. Step 5: Solve for x
    x = 1,365,645,702.66/38,369.70
  6. Step 6: Final answer
    x = 35,591.77

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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.