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Finding the Fourth Proportional to 50,615.53, 75,911.14 and 15,555.49

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Solution

The fourth proportional to 50,615.53, 75,911.14 and 15,555.49 is: 23,329.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,615.53 : 75,911.14 = 15,555.49 : x
  2. Step 2: Convert to fraction form
    50,615.53/75,911.14 = 15,555.49/x
  3. Step 3: Cross multiply
    50,615.53x = 75,911.14 × 15,555.49
  4. Step 4: Simplify right side
    50,615.53x = 1,180,834,979.16
  5. Step 5: Solve for x
    x = 1,180,834,979.16/50,615.53
  6. Step 6: Final answer
    x = 23,329.50

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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.