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Finding the Fourth Proportional to 17,000.81, 23,460.61 and 9,344.11

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Solution

The fourth proportional to 17,000.81, 23,460.61 and 9,344.11 is: 12,894.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,000.81 : 23,460.61 = 9,344.11 : x
  2. Step 2: Convert to fraction form
    17,000.81/23,460.61 = 9,344.11/x
  3. Step 3: Cross multiply
    17,000.81x = 23,460.61 × 9,344.11
  4. Step 4: Simplify right side
    17,000.81x = 219,218,520.51
  5. Step 5: Solve for x
    x = 219,218,520.51/17,000.81
  6. Step 6: Final answer
    x = 12,894.59

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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.