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Finding the Fourth Proportional to 19,703.93, 29,507.83 and 10,351.78

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Solution

The fourth proportional to 19,703.93, 29,507.83 and 10,351.78 is: 15,502.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,703.93 : 29,507.83 = 10,351.78 : x
  2. Step 2: Convert to fraction form
    19,703.93/29,507.83 = 10,351.78/x
  3. Step 3: Cross multiply
    19,703.93x = 29,507.83 × 10,351.78
  4. Step 4: Simplify right side
    19,703.93x = 305,458,464.79
  5. Step 5: Solve for x
    x = 305,458,464.79/19,703.93
  6. Step 6: Final answer
    x = 15,502.42

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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.