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Finding the Fourth Proportional to 18,346.91, 27,509.22 and 10,015.34

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Solution

The fourth proportional to 18,346.91, 27,509.22 and 10,015.34 is: 15,016.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346.91 : 27,509.22 = 10,015.34 : x
  2. Step 2: Convert to fraction form
    18,346.91/27,509.22 = 10,015.34/x
  3. Step 3: Cross multiply
    18,346.91x = 27,509.22 × 10,015.34
  4. Step 4: Simplify right side
    18,346.91x = 275,514,053.89
  5. Step 5: Solve for x
    x = 275,514,053.89/18,346.91
  6. Step 6: Final answer
    x = 15,016.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.