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Finding the Fourth Proportional to 11,793.60, 17,683.20 and 5,545.08

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Solution

The fourth proportional to 11,793.60, 17,683.20 and 5,545.08 is: 8,314.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,793.60 : 17,683.20 = 5,545.08 : x
  2. Step 2: Convert to fraction form
    11,793.60/17,683.20 = 5,545.08/x
  3. Step 3: Cross multiply
    11,793.60x = 17,683.20 × 5,545.08
  4. Step 4: Simplify right side
    11,793.60x = 98,054,758.66
  5. Step 5: Solve for x
    x = 98,054,758.66/11,793.60
  6. Step 6: Final answer
    x = 8,314.23

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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.