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Finding the Fourth Proportional to 26,304, 39,475.44 and 12,453

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Solution

The fourth proportional to 26,304, 39,475.44 and 12,453 is: 18,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,304 : 39,475.44 = 12,453 : x
  2. Step 2: Convert to fraction form
    26,304/39,475.44 = 12,453/x
  3. Step 3: Cross multiply
    26,304x = 39,475.44 × 12,453
  4. Step 4: Simplify right side
    26,304x = 491,587,654.32
  5. Step 5: Solve for x
    x = 491,587,654.32/26,304
  6. Step 6: Final answer
    x = 18,688.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.