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Finding the Fourth Proportional to 37,398.30, 51,596.88 and 21,264

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Solution

The fourth proportional to 37,398.30, 51,596.88 and 21,264 is: 29,337.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,398.30 : 51,596.88 = 21,264 : x
  2. Step 2: Convert to fraction form
    37,398.30/51,596.88 = 21,264/x
  3. Step 3: Cross multiply
    37,398.30x = 51,596.88 × 21,264
  4. Step 4: Simplify right side
    37,398.30x = 1,097,156,056.32
  5. Step 5: Solve for x
    x = 1,097,156,056.32/37,398.30
  6. Step 6: Final answer
    x = 29,337.06

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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.