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Finding the Fourth Proportional to 54,321.60, 73,596.60 and 54,321.60

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Solution

The fourth proportional to 54,321.60, 73,596.60 and 54,321.60 is: 73,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,321.60 : 73,596.60 = 54,321.60 : x
  2. Step 2: Convert to fraction form
    54,321.60/73,596.60 = 54,321.60/x
  3. Step 3: Cross multiply
    54,321.60x = 73,596.60 × 54,321.60
  4. Step 4: Simplify right side
    54,321.60x = 3,997,885,066.56
  5. Step 5: Solve for x
    x = 3,997,885,066.56/54,321.60
  6. Step 6: Final answer
    x = 73,596.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.