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Finding the Fourth Proportional to 48,347.72, 66,718.80 and 26,836.20

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Solution

The fourth proportional to 48,347.72, 66,718.80 and 26,836.20 is: 37,033.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,347.72 : 66,718.80 = 26,836.20 : x
  2. Step 2: Convert to fraction form
    48,347.72/66,718.80 = 26,836.20/x
  3. Step 3: Cross multiply
    48,347.72x = 66,718.80 × 26,836.20
  4. Step 4: Simplify right side
    48,347.72x = 1,790,479,060.56
  5. Step 5: Solve for x
    x = 1,790,479,060.56/48,347.72
  6. Step 6: Final answer
    x = 37,033.38

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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.