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Finding the Fourth Proportional to 57,661.88, 79,554.86 and 45,524.03

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Solution

The fourth proportional to 57,661.88, 79,554.86 and 45,524.03 is: 62,808.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,661.88 : 79,554.86 = 45,524.03 : x
  2. Step 2: Convert to fraction form
    57,661.88/79,554.86 = 45,524.03/x
  3. Step 3: Cross multiply
    57,661.88x = 79,554.86 × 45,524.03
  4. Step 4: Simplify right side
    57,661.88x = 3,621,657,378.61
  5. Step 5: Solve for x
    x = 3,621,657,378.61/57,661.88
  6. Step 6: Final answer
    x = 62,808.53

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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.