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Finding the Fourth Proportional to 69,509.80, 95,923.64 and 37,678.77

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Solution

The fourth proportional to 69,509.80, 95,923.64 and 37,678.77 is: 51,996.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,509.80 : 95,923.64 = 37,678.77 : x
  2. Step 2: Convert to fraction form
    69,509.80/95,923.64 = 37,678.77/x
  3. Step 3: Cross multiply
    69,509.80x = 95,923.64 × 37,678.77
  4. Step 4: Simplify right side
    69,509.80x = 3,614,284,863.32
  5. Step 5: Solve for x
    x = 3,614,284,863.32/69,509.80
  6. Step 6: Final answer
    x = 51,996.77

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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.