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Finding the Fourth Proportional to 37,860, 52,246.80 and 21,094.08

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Solution

The fourth proportional to 37,860, 52,246.80 and 21,094.08 is: 29,109.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,860 : 52,246.80 = 21,094.08 : x
  2. Step 2: Convert to fraction form
    37,860/52,246.80 = 21,094.08/x
  3. Step 3: Cross multiply
    37,860x = 52,246.80 × 21,094.08
  4. Step 4: Simplify right side
    37,860x = 1,102,098,178.94
  5. Step 5: Solve for x
    x = 1,102,098,178.94/37,860
  6. Step 6: Final answer
    x = 29,109.83

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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.