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Finding the Fourth Proportional to 29,760.92, 44,641.64 and 7,574.32

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Solution

The fourth proportional to 29,760.92, 44,641.64 and 7,574.32 is: 11,361.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,760.92 : 44,641.64 = 7,574.32 : x
  2. Step 2: Convert to fraction form
    29,760.92/44,641.64 = 7,574.32/x
  3. Step 3: Cross multiply
    29,760.92x = 44,641.64 × 7,574.32
  4. Step 4: Simplify right side
    29,760.92x = 338,129,974.02
  5. Step 5: Solve for x
    x = 338,129,974.02/29,760.92
  6. Step 6: Final answer
    x = 11,361.54

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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.