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Finding the Fourth Proportional to 48,777.80, 73,166.70 and 19,196.60

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Solution

The fourth proportional to 48,777.80, 73,166.70 and 19,196.60 is: 28,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,777.80 : 73,166.70 = 19,196.60 : x
  2. Step 2: Convert to fraction form
    48,777.80/73,166.70 = 19,196.60/x
  3. Step 3: Cross multiply
    48,777.80x = 73,166.70 × 19,196.60
  4. Step 4: Simplify right side
    48,777.80x = 1,404,551,873.22
  5. Step 5: Solve for x
    x = 1,404,551,873.22/48,777.80
  6. Step 6: Final answer
    x = 28,794.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.