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Finding the Fourth Proportional to 50,649.71, 69,892.94 and 27,988.43

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Solution

The fourth proportional to 50,649.71, 69,892.94 and 27,988.43 is: 38,622.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,649.71 : 69,892.94 = 27,988.43 : x
  2. Step 2: Convert to fraction form
    50,649.71/69,892.94 = 27,988.43/x
  3. Step 3: Cross multiply
    50,649.71x = 69,892.94 × 27,988.43
  4. Step 4: Simplify right side
    50,649.71x = 1,956,193,379.19
  5. Step 5: Solve for x
    x = 1,956,193,379.19/50,649.71
  6. Step 6: Final answer
    x = 38,622.01

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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.