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Finding the Fourth Proportional to 69,763.68, 96,241.32 and 42,895.44

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Solution

The fourth proportional to 69,763.68, 96,241.32 and 42,895.44 is: 59,175.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,763.68 : 96,241.32 = 42,895.44 : x
  2. Step 2: Convert to fraction form
    69,763.68/96,241.32 = 42,895.44/x
  3. Step 3: Cross multiply
    69,763.68x = 96,241.32 × 42,895.44
  4. Step 4: Simplify right side
    69,763.68x = 4,128,313,767.58
  5. Step 5: Solve for x
    x = 4,128,313,767.58/69,763.68
  6. Step 6: Final answer
    x = 59,175.69

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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.