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Finding the Fourth Proportional to 12,841.84, 17,723.13 and 7,537.42

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Solution

The fourth proportional to 12,841.84, 17,723.13 and 7,537.42 is: 10,402.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841.84 : 17,723.13 = 7,537.42 : x
  2. Step 2: Convert to fraction form
    12,841.84/17,723.13 = 7,537.42/x
  3. Step 3: Cross multiply
    12,841.84x = 17,723.13 × 7,537.42
  4. Step 4: Simplify right side
    12,841.84x = 133,586,674.52
  5. Step 5: Solve for x
    x = 133,586,674.52/12,841.84
  6. Step 6: Final answer
    x = 10,402.46

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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.