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Finding the Fourth Proportional to 39,806.01, 59,709.06 and 11,726.42

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Solution

The fourth proportional to 39,806.01, 59,709.06 and 11,726.42 is: 17,589.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,806.01 : 59,709.06 = 11,726.42 : x
  2. Step 2: Convert to fraction form
    39,806.01/59,709.06 = 11,726.42/x
  3. Step 3: Cross multiply
    39,806.01x = 59,709.06 × 11,726.42
  4. Step 4: Simplify right side
    39,806.01x = 700,173,216.82
  5. Step 5: Solve for x
    x = 700,173,216.82/39,806.01
  6. Step 6: Final answer
    x = 17,589.64

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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.