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Finding the Fourth Proportional to 19,494.56, 29,254.82 and 7,182.56

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Solution

The fourth proportional to 19,494.56, 29,254.82 and 7,182.56 is: 10,778.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,494.56 : 29,254.82 = 7,182.56 : x
  2. Step 2: Convert to fraction form
    19,494.56/29,254.82 = 7,182.56/x
  3. Step 3: Cross multiply
    19,494.56x = 29,254.82 × 7,182.56
  4. Step 4: Simplify right side
    19,494.56x = 210,124,537.16
  5. Step 5: Solve for x
    x = 210,124,537.16/19,494.56
  6. Step 6: Final answer
    x = 10,778.62

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1.5x scale

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.