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Finding the Fourth Proportional to 69,340.50, 95,689.32 and 37,509.48

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Solution

The fourth proportional to 69,340.50, 95,689.32 and 37,509.48 is: 51,762.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,340.50 : 95,689.32 = 37,509.48 : x
  2. Step 2: Convert to fraction form
    69,340.50/95,689.32 = 37,509.48/x
  3. Step 3: Cross multiply
    69,340.50x = 95,689.32 × 37,509.48
  4. Step 4: Simplify right side
    69,340.50x = 3,589,256,634.75
  5. Step 5: Solve for x
    x = 3,589,256,634.75/69,340.50
  6. Step 6: Final answer
    x = 51,762.77

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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.