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Finding the Fourth Proportional to 57,580.88, 79,464.08 and 32,087.28

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Solution

The fourth proportional to 57,580.88, 79,464.08 and 32,087.28 is: 44,281.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,580.88 : 79,464.08 = 32,087.28 : x
  2. Step 2: Convert to fraction form
    57,580.88/79,464.08 = 32,087.28/x
  3. Step 3: Cross multiply
    57,580.88x = 79,464.08 × 32,087.28
  4. Step 4: Simplify right side
    57,580.88x = 2,549,785,627.15
  5. Step 5: Solve for x
    x = 2,549,785,627.15/57,580.88
  6. Step 6: Final answer
    x = 44,281.81

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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.