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Finding the Fourth Proportional to 28,050.36, 42,046.00 and 9,325.36

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Solution

The fourth proportional to 28,050.36, 42,046.00 and 9,325.36 is: 13,978.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050.36 : 42,046.00 = 9,325.36 : x
  2. Step 2: Convert to fraction form
    28,050.36/42,046.00 = 9,325.36/x
  3. Step 3: Cross multiply
    28,050.36x = 42,046.00 × 9,325.36
  4. Step 4: Simplify right side
    28,050.36x = 392,094,115.80
  5. Step 5: Solve for x
    x = 392,094,115.80/28,050.36
  6. Step 6: Final answer
    x = 13,978.22

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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.