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Finding the Fourth Proportional to 12,682.04, 17,500.74 and 7,092.68

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Solution

The fourth proportional to 12,682.04, 17,500.74 and 7,092.68 is: 9,787.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682.04 : 17,500.74 = 7,092.68 : x
  2. Step 2: Convert to fraction form
    12,682.04/17,500.74 = 7,092.68/x
  3. Step 3: Cross multiply
    12,682.04x = 17,500.74 × 7,092.68
  4. Step 4: Simplify right side
    12,682.04x = 124,127,148.58
  5. Step 5: Solve for x
    x = 124,127,148.58/12,682.04
  6. Step 6: Final answer
    x = 9,787.63

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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.