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Finding the Fourth Proportional to 16,710, 23,059.81 and 9,995.91

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Solution

The fourth proportional to 16,710, 23,059.81 and 9,995.91 is: 13,794.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,710 : 23,059.81 = 9,995.91 : x
  2. Step 2: Convert to fraction form
    16,710/23,059.81 = 9,995.91/x
  3. Step 3: Cross multiply
    16,710x = 23,059.81 × 9,995.91
  4. Step 4: Simplify right side
    16,710x = 230,503,785.38
  5. Step 5: Solve for x
    x = 230,503,785.38/16,710
  6. Step 6: Final answer
    x = 13,794.36

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Double scale
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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.