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Finding the Fourth Proportional to 11,580.57, 17,370.86 and 4,655.07

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Solution

The fourth proportional to 11,580.57, 17,370.86 and 4,655.07 is: 6,982.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580.57 : 17,370.86 = 4,655.07 : x
  2. Step 2: Convert to fraction form
    11,580.57/17,370.86 = 4,655.07/x
  3. Step 3: Cross multiply
    11,580.57x = 17,370.86 × 4,655.07
  4. Step 4: Simplify right side
    11,580.57x = 80,862,545.98
  5. Step 5: Solve for x
    x = 80,862,545.98/11,580.57
  6. Step 6: Final answer
    x = 6,982.61

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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.