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Finding the Fourth Proportional to 37,846.88, 52,228.68 and 21,079.88

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Solution

The fourth proportional to 37,846.88, 52,228.68 and 21,079.88 is: 29,090.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,846.88 : 52,228.68 = 21,079.88 : x
  2. Step 2: Convert to fraction form
    37,846.88/52,228.68 = 21,079.88/x
  3. Step 3: Cross multiply
    37,846.88x = 52,228.68 × 21,079.88
  4. Step 4: Simplify right side
    37,846.88x = 1,100,974,306.96
  5. Step 5: Solve for x
    x = 1,100,974,306.96/37,846.88
  6. Step 6: Final answer
    x = 29,090.23

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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.