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Finding the Fourth Proportional to 37,393.80, 56,052.30 and 21,803.40

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Solution

The fourth proportional to 37,393.80, 56,052.30 and 21,803.40 is: 32,682.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,393.80 : 56,052.30 = 21,803.40 : x
  2. Step 2: Convert to fraction form
    37,393.80/56,052.30 = 21,803.40/x
  3. Step 3: Cross multiply
    37,393.80x = 56,052.30 × 21,803.40
  4. Step 4: Simplify right side
    37,393.80x = 1,222,130,717.82
  5. Step 5: Solve for x
    x = 1,222,130,717.82/37,393.80
  6. Step 6: Final answer
    x = 32,682.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.