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Finding the Fourth Proportional to 17,318.13, 23,899.13 and 9,360.35

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Solution

The fourth proportional to 17,318.13, 23,899.13 and 9,360.35 is: 12,917.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,318.13 : 23,899.13 = 9,360.35 : x
  2. Step 2: Convert to fraction form
    17,318.13/23,899.13 = 9,360.35/x
  3. Step 3: Cross multiply
    17,318.13x = 23,899.13 × 9,360.35
  4. Step 4: Simplify right side
    17,318.13x = 223,704,125.40
  5. Step 5: Solve for x
    x = 223,704,125.40/17,318.13
  6. Step 6: Final answer
    x = 12,917.34

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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.