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Finding the Fourth Proportional to 5,939.43, 8,901.86 and 5,210.43

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Solution

The fourth proportional to 5,939.43, 8,901.86 and 5,210.43 is: 7,809.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939.43 : 8,901.86 = 5,210.43 : x
  2. Step 2: Convert to fraction form
    5,939.43/8,901.86 = 5,210.43/x
  3. Step 3: Cross multiply
    5,939.43x = 8,901.86 × 5,210.43
  4. Step 4: Simplify right side
    5,939.43x = 46,382,492.35
  5. Step 5: Solve for x
    x = 46,382,492.35/5,939.43
  6. Step 6: Final answer
    x = 7,809.25

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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.