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Finding the Fourth Proportional to 57,508.56, 79,361 and 32,358

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Solution

The fourth proportional to 57,508.56, 79,361 and 32,358 is: 44,653.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,508.56 : 79,361 = 32,358 : x
  2. Step 2: Convert to fraction form
    57,508.56/79,361 = 32,358/x
  3. Step 3: Cross multiply
    57,508.56x = 79,361 × 32,358
  4. Step 4: Simplify right side
    57,508.56x = 2,567,963,238
  5. Step 5: Solve for x
    x = 2,567,963,238/57,508.56
  6. Step 6: Final answer
    x = 44,653.58

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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.