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Finding the Fourth Proportional to 69,600.72, 96,059.30 and 40,919.16

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Solution

The fourth proportional to 69,600.72, 96,059.30 and 40,919.16 is: 56,474.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,600.72 : 96,059.30 = 40,919.16 : x
  2. Step 2: Convert to fraction form
    69,600.72/96,059.30 = 40,919.16/x
  3. Step 3: Cross multiply
    69,600.72x = 96,059.30 × 40,919.16
  4. Step 4: Simplify right side
    69,600.72x = 3,930,665,866.19
  5. Step 5: Solve for x
    x = 3,930,665,866.19/69,600.72
  6. Step 6: Final answer
    x = 56,474.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.