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Finding the Fourth Proportional to 15,062.66, 20,789.92 and 10,027.10

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Solution

The fourth proportional to 15,062.66, 20,789.92 and 10,027.10 is: 13,839.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,062.66 : 20,789.92 = 10,027.10 : x
  2. Step 2: Convert to fraction form
    15,062.66/20,789.92 = 10,027.10/x
  3. Step 3: Cross multiply
    15,062.66x = 20,789.92 × 10,027.10
  4. Step 4: Simplify right side
    15,062.66x = 208,462,606.83
  5. Step 5: Solve for x
    x = 208,462,606.83/15,062.66
  6. Step 6: Final answer
    x = 13,839.69

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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.