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Finding the Fourth Proportional to 40,358.92, 60,538.43 and 19,294

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Solution

The fourth proportional to 40,358.92, 60,538.43 and 19,294 is: 28,941.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,358.92 : 60,538.43 = 19,294 : x
  2. Step 2: Convert to fraction form
    40,358.92/60,538.43 = 19,294/x
  3. Step 3: Cross multiply
    40,358.92x = 60,538.43 × 19,294
  4. Step 4: Simplify right side
    40,358.92x = 1,168,028,468.42
  5. Step 5: Solve for x
    x = 1,168,028,468.42/40,358.92
  6. Step 6: Final answer
    x = 28,941.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.