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Finding the Fourth Proportional to 16,683.93, 25,008.48 and 7,908.39

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Solution

The fourth proportional to 16,683.93, 25,008.48 and 7,908.39 is: 11,854.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,683.93 : 25,008.48 = 7,908.39 : x
  2. Step 2: Convert to fraction form
    16,683.93/25,008.48 = 7,908.39/x
  3. Step 3: Cross multiply
    16,683.93x = 25,008.48 × 7,908.39
  4. Step 4: Simplify right side
    16,683.93x = 197,776,813.15
  5. Step 5: Solve for x
    x = 197,776,813.15/16,683.93
  6. Step 6: Final answer
    x = 11,854.33

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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.