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Finding the Fourth Proportional to 50,488.88, 75,733.50 and 15,428.39

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Solution

The fourth proportional to 50,488.88, 75,733.50 and 15,428.39 is: 23,142.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,488.88 : 75,733.50 = 15,428.39 : x
  2. Step 2: Convert to fraction form
    50,488.88/75,733.50 = 15,428.39/x
  3. Step 3: Cross multiply
    50,488.88x = 75,733.50 × 15,428.39
  4. Step 4: Simplify right side
    50,488.88x = 1,168,445,974.07
  5. Step 5: Solve for x
    x = 1,168,445,974.07/50,488.88
  6. Step 6: Final answer
    x = 23,142.64

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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.