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Finding the Fourth Proportional to 69,657.50, 96,192.96 and 48,494.64

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Solution

The fourth proportional to 69,657.50, 96,192.96 and 48,494.64 is: 66,968.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,657.50 : 96,192.96 = 48,494.64 : x
  2. Step 2: Convert to fraction form
    69,657.50/96,192.96 = 48,494.64/x
  3. Step 3: Cross multiply
    69,657.50x = 96,192.96 × 48,494.64
  4. Step 4: Simplify right side
    69,657.50x = 4,664,842,965.73
  5. Step 5: Solve for x
    x = 4,664,842,965.73/69,657.50
  6. Step 6: Final answer
    x = 66,968.28

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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.