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Finding the Fourth Proportional to 27,287.84, 37,654.37 and 15,350.16

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Solution

The fourth proportional to 27,287.84, 37,654.37 and 15,350.16 is: 21,181.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,287.84 : 37,654.37 = 15,350.16 : x
  2. Step 2: Convert to fraction form
    27,287.84/37,654.37 = 15,350.16/x
  3. Step 3: Cross multiply
    27,287.84x = 37,654.37 × 15,350.16
  4. Step 4: Simplify right side
    27,287.84x = 578,000,514.41
  5. Step 5: Solve for x
    x = 578,000,514.41/27,287.84
  6. Step 6: Final answer
    x = 21,181.62

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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.