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Finding the Fourth Proportional to 50,491.58, 75,737.36 and 13,555.58

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Solution

The fourth proportional to 50,491.58, 75,737.36 and 13,555.58 is: 20,333.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,491.58 : 75,737.36 = 13,555.58 : x
  2. Step 2: Convert to fraction form
    50,491.58/75,737.36 = 13,555.58/x
  3. Step 3: Cross multiply
    50,491.58x = 75,737.36 × 13,555.58
  4. Step 4: Simplify right side
    50,491.58x = 1,026,663,842.47
  5. Step 5: Solve for x
    x = 1,026,663,842.47/50,491.58
  6. Step 6: Final answer
    x = 20,333.37

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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.