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Finding the Fourth Proportional to 17,785.15, 24,543.26 and 9,827.26

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Solution

The fourth proportional to 17,785.15, 24,543.26 and 9,827.26 is: 13,561.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,785.15 : 24,543.26 = 9,827.26 : x
  2. Step 2: Convert to fraction form
    17,785.15/24,543.26 = 9,827.26/x
  3. Step 3: Cross multiply
    17,785.15x = 24,543.26 × 9,827.26
  4. Step 4: Simplify right side
    17,785.15x = 241,192,923.63
  5. Step 5: Solve for x
    x = 241,192,923.63/17,785.15
  6. Step 6: Final answer
    x = 13,561.48

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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.