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Finding the Fourth Proportional to 5,364.09, 8,047.22 and 1,853.82

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Solution

The fourth proportional to 5,364.09, 8,047.22 and 1,853.82 is: 2,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364.09 : 8,047.22 = 1,853.82 : x
  2. Step 2: Convert to fraction form
    5,364.09/8,047.22 = 1,853.82/x
  3. Step 3: Cross multiply
    5,364.09x = 8,047.22 × 1,853.82
  4. Step 4: Simplify right side
    5,364.09x = 14,918,088.11
  5. Step 5: Solve for x
    x = 14,918,088.11/5,364.09
  6. Step 6: Final answer
    x = 2,781.10

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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.