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Finding the Fourth Proportional to 29,659.41, 40,933.71 and 19,459.08

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Solution

The fourth proportional to 29,659.41, 40,933.71 and 19,459.08 is: 26,855.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,659.41 : 40,933.71 = 19,459.08 : x
  2. Step 2: Convert to fraction form
    29,659.41/40,933.71 = 19,459.08/x
  3. Step 3: Cross multiply
    29,659.41x = 40,933.71 × 19,459.08
  4. Step 4: Simplify right side
    29,659.41x = 796,532,337.59
  5. Step 5: Solve for x
    x = 796,532,337.59/29,659.41
  6. Step 6: Final answer
    x = 26,855.97

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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.