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Finding the Fourth Proportional to 66,953.74, 100,438.87 and 29,523.24

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Solution

The fourth proportional to 66,953.74, 100,438.87 and 29,523.24 is: 44,288.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,953.74 : 100,438.87 = 29,523.24 : x
  2. Step 2: Convert to fraction form
    66,953.74/100,438.87 = 29,523.24/x
  3. Step 3: Cross multiply
    66,953.74x = 100,438.87 × 29,523.24
  4. Step 4: Simplify right side
    66,953.74x = 2,965,280,864.34
  5. Step 5: Solve for x
    x = 2,965,280,864.34/66,953.74
  6. Step 6: Final answer
    x = 44,288.50

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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.