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Finding the Fourth Proportional to 50,555.69, 75,830.78 and 15,495.44

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Solution

The fourth proportional to 50,555.69, 75,830.78 and 15,495.44 is: 23,242.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,555.69 : 75,830.78 = 15,495.44 : x
  2. Step 2: Convert to fraction form
    50,555.69/75,830.78 = 15,495.44/x
  3. Step 3: Cross multiply
    50,555.69x = 75,830.78 × 15,495.44
  4. Step 4: Simplify right side
    50,555.69x = 1,175,030,961.23
  5. Step 5: Solve for x
    x = 1,175,030,961.23/50,555.69
  6. Step 6: Final answer
    x = 23,242.31

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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.