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Finding the Fourth Proportional to 29,367.83, 40,527.63 and 15,939.08

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Solution

The fourth proportional to 29,367.83, 40,527.63 and 15,939.08 is: 21,995.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,367.83 : 40,527.63 = 15,939.08 : x
  2. Step 2: Convert to fraction form
    29,367.83/40,527.63 = 15,939.08/x
  3. Step 3: Cross multiply
    29,367.83x = 40,527.63 × 15,939.08
  4. Step 4: Simplify right side
    29,367.83x = 645,973,136.78
  5. Step 5: Solve for x
    x = 645,973,136.78/29,367.83
  6. Step 6: Final answer
    x = 21,995.94

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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.