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Finding the Fourth Proportional to 57,356.52, 79,157.35 and 34,701.08

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Solution

The fourth proportional to 57,356.52, 79,157.35 and 34,701.08 is: 47,890.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,356.52 : 79,157.35 = 34,701.08 : x
  2. Step 2: Convert to fraction form
    57,356.52/79,157.35 = 34,701.08/x
  3. Step 3: Cross multiply
    57,356.52x = 79,157.35 × 34,701.08
  4. Step 4: Simplify right side
    57,356.52x = 2,746,845,960.21
  5. Step 5: Solve for x
    x = 2,746,845,960.21/57,356.52
  6. Step 6: Final answer
    x = 47,890.73

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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.