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Finding the Fourth Proportional to 37,522, 51,785.22 and 21,603.88

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Solution

The fourth proportional to 37,522, 51,785.22 and 21,603.88 is: 29,816.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,522 : 51,785.22 = 21,603.88 : x
  2. Step 2: Convert to fraction form
    37,522/51,785.22 = 21,603.88/x
  3. Step 3: Cross multiply
    37,522x = 51,785.22 × 21,603.88
  4. Step 4: Simplify right side
    37,522x = 1,118,761,678.65
  5. Step 5: Solve for x
    x = 1,118,761,678.65/37,522
  6. Step 6: Final answer
    x = 29,816.15

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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.