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Finding the Fourth Proportional to 54,742.01, 82,113.02 and 19,662.53

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Solution

The fourth proportional to 54,742.01, 82,113.02 and 19,662.53 is: 29,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,742.01 : 82,113.02 = 19,662.53 : x
  2. Step 2: Convert to fraction form
    54,742.01/82,113.02 = 19,662.53/x
  3. Step 3: Cross multiply
    54,742.01x = 82,113.02 × 19,662.53
  4. Step 4: Simplify right side
    54,742.01x = 1,614,549,620.83
  5. Step 5: Solve for x
    x = 1,614,549,620.83/54,742.01
  6. Step 6: Final answer
    x = 29,493.80

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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.