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Finding the Fourth Proportional to 17,165.62, 23,688.62 and 9,612.28

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Solution

The fourth proportional to 17,165.62, 23,688.62 and 9,612.28 is: 13,264.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,165.62 : 23,688.62 = 9,612.28 : x
  2. Step 2: Convert to fraction form
    17,165.62/23,688.62 = 9,612.28/x
  3. Step 3: Cross multiply
    17,165.62x = 23,688.62 × 9,612.28
  4. Step 4: Simplify right side
    17,165.62x = 227,701,648.25
  5. Step 5: Solve for x
    x = 227,701,648.25/17,165.62
  6. Step 6: Final answer
    x = 13,264.98

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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.