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Finding the Fourth Proportional to 17,661.01, 24,370.97 and 9,703.57

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Solution

The fourth proportional to 17,661.01, 24,370.97 and 9,703.57 is: 13,390.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,661.01 : 24,370.97 = 9,703.57 : x
  2. Step 2: Convert to fraction form
    17,661.01/24,370.97 = 9,703.57/x
  3. Step 3: Cross multiply
    17,661.01x = 24,370.97 × 9,703.57
  4. Step 4: Simplify right side
    17,661.01x = 236,485,364.85
  5. Step 5: Solve for x
    x = 236,485,364.85/17,661.01
  6. Step 6: Final answer
    x = 13,390.25

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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.