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Finding the Fourth Proportional to 17,021.76, 23,490.08 and 9,468.57

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Solution

The fourth proportional to 17,021.76, 23,490.08 and 9,468.57 is: 13,066.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,021.76 : 23,490.08 = 9,468.57 : x
  2. Step 2: Convert to fraction form
    17,021.76/23,490.08 = 9,468.57/x
  3. Step 3: Cross multiply
    17,021.76x = 23,490.08 × 9,468.57
  4. Step 4: Simplify right side
    17,021.76x = 222,417,419.44
  5. Step 5: Solve for x
    x = 222,417,419.44/17,021.76
  6. Step 6: Final answer
    x = 13,066.65

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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.