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Finding the Fourth Proportional to 50,649.66, 75,933.33 and 21,089.58

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Solution

The fourth proportional to 50,649.66, 75,933.33 and 21,089.58 is: 31,617.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,649.66 : 75,933.33 = 21,089.58 : x
  2. Step 2: Convert to fraction form
    50,649.66/75,933.33 = 21,089.58/x
  3. Step 3: Cross multiply
    50,649.66x = 75,933.33 × 21,089.58
  4. Step 4: Simplify right side
    50,649.66x = 1,601,402,037.70
  5. Step 5: Solve for x
    x = 1,601,402,037.70/50,649.66
  6. Step 6: Final answer
    x = 31,617.23

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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.