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Finding the Fourth Proportional to 16,850.50, 23,253.69 and 9,398.50

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Solution

The fourth proportional to 16,850.50, 23,253.69 and 9,398.50 is: 12,969.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,850.50 : 23,253.69 = 9,398.50 : x
  2. Step 2: Convert to fraction form
    16,850.50/23,253.69 = 9,398.50/x
  3. Step 3: Cross multiply
    16,850.50x = 23,253.69 × 9,398.50
  4. Step 4: Simplify right side
    16,850.50x = 218,549,805.47
  5. Step 5: Solve for x
    x = 218,549,805.47/16,850.50
  6. Step 6: Final answer
    x = 12,969.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.