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Finding the Fourth Proportional to 50,607.70, 75,911.55 and 15,542.80

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Solution

The fourth proportional to 50,607.70, 75,911.55 and 15,542.80 is: 23,314.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,607.70 : 75,911.55 = 15,542.80 : x
  2. Step 2: Convert to fraction form
    50,607.70/75,911.55 = 15,542.80/x
  3. Step 3: Cross multiply
    50,607.70x = 75,911.55 × 15,542.80
  4. Step 4: Simplify right side
    50,607.70x = 1,179,878,039.34
  5. Step 5: Solve for x
    x = 1,179,878,039.34/50,607.70
  6. Step 6: Final answer
    x = 23,314.20

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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.