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Finding the Fourth Proportional to 57,563.79, 79,439.39 and 32,071.87

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Solution

The fourth proportional to 57,563.79, 79,439.39 and 32,071.87 is: 44,259.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,563.79 : 79,439.39 = 32,071.87 : x
  2. Step 2: Convert to fraction form
    57,563.79/79,439.39 = 32,071.87/x
  3. Step 3: Cross multiply
    57,563.79x = 79,439.39 × 32,071.87
  4. Step 4: Simplify right side
    57,563.79x = 2,547,769,788.96
  5. Step 5: Solve for x
    x = 2,547,769,788.96/57,563.79
  6. Step 6: Final answer
    x = 44,259.94

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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.