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Finding the Fourth Proportional to 37,489.53, 51,737.82 and 21,573.63

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Solution

The fourth proportional to 37,489.53, 51,737.82 and 21,573.63 is: 29,772.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,489.53 : 51,737.82 = 21,573.63 : x
  2. Step 2: Convert to fraction form
    37,489.53/51,737.82 = 21,573.63/x
  3. Step 3: Cross multiply
    37,489.53x = 51,737.82 × 21,573.63
  4. Step 4: Simplify right side
    37,489.53x = 1,116,172,585.69
  5. Step 5: Solve for x
    x = 1,116,172,585.69/37,489.53
  6. Step 6: Final answer
    x = 29,772.91

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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.