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Finding the Fourth Proportional to 40,367.43, 60,511.87 and 19,302.01

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Solution

The fourth proportional to 40,367.43, 60,511.87 and 19,302.01 is: 28,934.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,367.43 : 60,511.87 = 19,302.01 : x
  2. Step 2: Convert to fraction form
    40,367.43/60,511.87 = 19,302.01/x
  3. Step 3: Cross multiply
    40,367.43x = 60,511.87 × 19,302.01
  4. Step 4: Simplify right side
    40,367.43x = 1,168,000,930.64
  5. Step 5: Solve for x
    x = 1,168,000,930.64/40,367.43
  6. Step 6: Final answer
    x = 28,934.24

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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.