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Finding the Fourth Proportional to 15,998.06, 24,005.74 and 7,790.06

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Solution

The fourth proportional to 15,998.06, 24,005.74 and 7,790.06 is: 11,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.06 : 24,005.74 = 7,790.06 : x
  2. Step 2: Convert to fraction form
    15,998.06/24,005.74 = 7,790.06/x
  3. Step 3: Cross multiply
    15,998.06x = 24,005.74 × 7,790.06
  4. Step 4: Simplify right side
    15,998.06x = 187,006,195.48
  5. Step 5: Solve for x
    x = 187,006,195.48/15,998.06
  6. Step 6: Final answer
    x = 11,689.30

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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.