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Finding the Fourth Proportional to 37,874.61, 52,267.02 and 21,968.31

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Solution

The fourth proportional to 37,874.61, 52,267.02 and 21,968.31 is: 30,316.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,874.61 : 52,267.02 = 21,968.31 : x
  2. Step 2: Convert to fraction form
    37,874.61/52,267.02 = 21,968.31/x
  3. Step 3: Cross multiply
    37,874.61x = 52,267.02 × 21,968.31
  4. Step 4: Simplify right side
    37,874.61x = 1,148,218,098.14
  5. Step 5: Solve for x
    x = 1,148,218,098.14/37,874.61
  6. Step 6: Final answer
    x = 30,316.30

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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.