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Finding the Fourth Proportional to 15,295.89, 22,943.87 and 5,435.16

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Solution

The fourth proportional to 15,295.89, 22,943.87 and 5,435.16 is: 8,152.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,295.89 : 22,943.87 = 5,435.16 : x
  2. Step 2: Convert to fraction form
    15,295.89/22,943.87 = 5,435.16/x
  3. Step 3: Cross multiply
    15,295.89x = 22,943.87 × 5,435.16
  4. Step 4: Simplify right side
    15,295.89x = 124,703,604.47
  5. Step 5: Solve for x
    x = 124,703,604.47/15,295.89
  6. Step 6: Final answer
    x = 8,152.75

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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.