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Finding the Fourth Proportional to 11,592.56, 15,993.36 and 8,574.90

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Solution

The fourth proportional to 11,592.56, 15,993.36 and 8,574.90 is: 11,830.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,592.56 : 15,993.36 = 8,574.90 : x
  2. Step 2: Convert to fraction form
    11,592.56/15,993.36 = 8,574.90/x
  3. Step 3: Cross multiply
    11,592.56x = 15,993.36 × 8,574.90
  4. Step 4: Simplify right side
    11,592.56x = 137,141,462.66
  5. Step 5: Solve for x
    x = 137,141,462.66/11,592.56
  6. Step 6: Final answer
    x = 11,830.13

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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.