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Finding the Fourth Proportional to 17,178.71, 23,705.10 and 9,624.03

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Solution

The fourth proportional to 17,178.71, 23,705.10 and 9,624.03 is: 13,280.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,178.71 : 23,705.10 = 9,624.03 : x
  2. Step 2: Convert to fraction form
    17,178.71/23,705.10 = 9,624.03/x
  3. Step 3: Cross multiply
    17,178.71x = 23,705.10 × 9,624.03
  4. Step 4: Simplify right side
    17,178.71x = 228,138,593.55
  5. Step 5: Solve for x
    x = 228,138,593.55/17,178.71
  6. Step 6: Final answer
    x = 13,280.31

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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.