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Finding the Fourth Proportional to 45,653.94, 62,990.92 and 26,787.42

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Solution

The fourth proportional to 45,653.94, 62,990.92 and 26,787.42 is: 36,959.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,653.94 : 62,990.92 = 26,787.42 : x
  2. Step 2: Convert to fraction form
    45,653.94/62,990.92 = 26,787.42/x
  3. Step 3: Cross multiply
    45,653.94x = 62,990.92 × 26,787.42
  4. Step 4: Simplify right side
    45,653.94x = 1,687,364,230.23
  5. Step 5: Solve for x
    x = 1,687,364,230.23/45,653.94
  6. Step 6: Final answer
    x = 36,959.88

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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.