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Finding the Fourth Proportional to 30,452.74, 45,662.70 and 11,737.48

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Solution

The fourth proportional to 30,452.74, 45,662.70 and 11,737.48 is: 17,599.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,452.74 : 45,662.70 = 11,737.48 : x
  2. Step 2: Convert to fraction form
    30,452.74/45,662.70 = 11,737.48/x
  3. Step 3: Cross multiply
    30,452.74x = 45,662.70 × 11,737.48
  4. Step 4: Simplify right side
    30,452.74x = 535,965,028.00
  5. Step 5: Solve for x
    x = 535,965,028.00/30,452.74
  6. Step 6: Final answer
    x = 17,599.90

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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.