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Finding the Fourth Proportional to 15,230.62, 22,846.62 and 5,370

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Solution

The fourth proportional to 15,230.62, 22,846.62 and 5,370 is: 8,055.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,230.62 : 22,846.62 = 5,370 : x
  2. Step 2: Convert to fraction form
    15,230.62/22,846.62 = 5,370/x
  3. Step 3: Cross multiply
    15,230.62x = 22,846.62 × 5,370
  4. Step 4: Simplify right side
    15,230.62x = 122,686,349.40
  5. Step 5: Solve for x
    x = 122,686,349.40/15,230.62
  6. Step 6: Final answer
    x = 8,055.24

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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.