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Finding the Fourth Proportional to 50,407.92, 75,623.40 and 15,350.40

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Solution

The fourth proportional to 50,407.92, 75,623.40 and 15,350.40 is: 23,029.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,407.92 : 75,623.40 = 15,350.40 : x
  2. Step 2: Convert to fraction form
    50,407.92/75,623.40 = 15,350.40/x
  3. Step 3: Cross multiply
    50,407.92x = 75,623.40 × 15,350.40
  4. Step 4: Simplify right side
    50,407.92x = 1,160,849,439.36
  5. Step 5: Solve for x
    x = 1,160,849,439.36/50,407.92
  6. Step 6: Final answer
    x = 23,029.11

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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.