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Finding the Fourth Proportional to 54,493.86, 75,210.44 and 45,404.80

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Solution

The fourth proportional to 54,493.86, 75,210.44 and 45,404.80 is: 62,666.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,493.86 : 75,210.44 = 45,404.80 : x
  2. Step 2: Convert to fraction form
    54,493.86/75,210.44 = 45,404.80/x
  3. Step 3: Cross multiply
    54,493.86x = 75,210.44 × 45,404.80
  4. Step 4: Simplify right side
    54,493.86x = 3,414,914,986.11
  5. Step 5: Solve for x
    x = 3,414,914,986.11/54,493.86
  6. Step 6: Final answer
    x = 62,666.05

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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.