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Finding the Fourth Proportional to 27,460, 37,900.47 and 15,523.84

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Solution

The fourth proportional to 27,460, 37,900.47 and 15,523.84 is: 21,426.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,460 : 37,900.47 = 15,523.84 : x
  2. Step 2: Convert to fraction form
    27,460/37,900.47 = 15,523.84/x
  3. Step 3: Cross multiply
    27,460x = 37,900.47 × 15,523.84
  4. Step 4: Simplify right side
    27,460x = 588,360,832.20
  5. Step 5: Solve for x
    x = 588,360,832.20/27,460
  6. Step 6: Final answer
    x = 21,426.10

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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.