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Finding the Fourth Proportional to 16,859.56, 23,265.48 and 9,785.56

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Solution

The fourth proportional to 16,859.56, 23,265.48 and 9,785.56 is: 13,503.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859.56 : 23,265.48 = 9,785.56 : x
  2. Step 2: Convert to fraction form
    16,859.56/23,265.48 = 9,785.56/x
  3. Step 3: Cross multiply
    16,859.56x = 23,265.48 × 9,785.56
  4. Step 4: Simplify right side
    16,859.56x = 227,665,750.47
  5. Step 5: Solve for x
    x = 227,665,750.47/16,859.56
  6. Step 6: Final answer
    x = 13,503.66

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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.