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Finding the Fourth Proportional to 50,531.79, 75,797.94 and 13,089.24

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Solution

The fourth proportional to 50,531.79, 75,797.94 and 13,089.24 is: 19,633.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,531.79 : 75,797.94 = 13,089.24 : x
  2. Step 2: Convert to fraction form
    50,531.79/75,797.94 = 13,089.24/x
  3. Step 3: Cross multiply
    50,531.79x = 75,797.94 × 13,089.24
  4. Step 4: Simplify right side
    50,531.79x = 992,137,428.17
  5. Step 5: Solve for x
    x = 992,137,428.17/50,531.79
  6. Step 6: Final answer
    x = 19,633.93

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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.