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Finding the Fourth Proportional to 17,385.71, 23,993.15 and 11,009.93

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Solution

The fourth proportional to 17,385.71, 23,993.15 and 11,009.93 is: 15,194.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,385.71 : 23,993.15 = 11,009.93 : x
  2. Step 2: Convert to fraction form
    17,385.71/23,993.15 = 11,009.93/x
  3. Step 3: Cross multiply
    17,385.71x = 23,993.15 × 11,009.93
  4. Step 4: Simplify right side
    17,385.71x = 264,162,726.96
  5. Step 5: Solve for x
    x = 264,162,726.96/17,385.71
  6. Step 6: Final answer
    x = 15,194.25

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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.