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Finding the Fourth Proportional to 28,006.67, 41,913.34 and 17,328.64

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Solution

The fourth proportional to 28,006.67, 41,913.34 and 17,328.64 is: 25,933.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006.67 : 41,913.34 = 17,328.64 : x
  2. Step 2: Convert to fraction form
    28,006.67/41,913.34 = 17,328.64/x
  3. Step 3: Cross multiply
    28,006.67x = 41,913.34 × 17,328.64
  4. Step 4: Simplify right side
    28,006.67x = 726,301,180.06
  5. Step 5: Solve for x
    x = 726,301,180.06/28,006.67
  6. Step 6: Final answer
    x = 25,933.15

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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.