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Finding the Fourth Proportional to 37,001.71, 55,497.95 and 21,813

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Solution

The fourth proportional to 37,001.71, 55,497.95 and 21,813 is: 32,716.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,001.71 : 55,497.95 = 21,813 : x
  2. Step 2: Convert to fraction form
    37,001.71/55,497.95 = 21,813/x
  3. Step 3: Cross multiply
    37,001.71x = 55,497.95 × 21,813
  4. Step 4: Simplify right side
    37,001.71x = 1,210,576,783.35
  5. Step 5: Solve for x
    x = 1,210,576,783.35/37,001.71
  6. Step 6: Final answer
    x = 32,716.78

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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.