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Finding the Fourth Proportional to 16,683.96, 25,019.46 and 8,888.52

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Solution

The fourth proportional to 16,683.96, 25,019.46 and 8,888.52 is: 13,329.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,683.96 : 25,019.46 = 8,888.52 : x
  2. Step 2: Convert to fraction form
    16,683.96/25,019.46 = 8,888.52/x
  3. Step 3: Cross multiply
    16,683.96x = 25,019.46 × 8,888.52
  4. Step 4: Simplify right side
    16,683.96x = 222,385,970.60
  5. Step 5: Solve for x
    x = 222,385,970.60/16,683.96
  6. Step 6: Final answer
    x = 13,329.33

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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.