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Finding the Fourth Proportional to 69,807.77, 96,336.88 and 39,594.32

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Solution

The fourth proportional to 69,807.77, 96,336.88 and 39,594.32 is: 54,641.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,807.77 : 96,336.88 = 39,594.32 : x
  2. Step 2: Convert to fraction form
    69,807.77/96,336.88 = 39,594.32/x
  3. Step 3: Cross multiply
    69,807.77x = 96,336.88 × 39,594.32
  4. Step 4: Simplify right side
    69,807.77x = 3,814,392,772.84
  5. Step 5: Solve for x
    x = 3,814,392,772.84/69,807.77
  6. Step 6: Final answer
    x = 54,641.38

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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.