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Finding the Fourth Proportional to 5,853.09, 8,776.80 and 2,929.80

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Solution

The fourth proportional to 5,853.09, 8,776.80 and 2,929.80 is: 4,393.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,853.09 : 8,776.80 = 2,929.80 : x
  2. Step 2: Convert to fraction form
    5,853.09/8,776.80 = 2,929.80/x
  3. Step 3: Cross multiply
    5,853.09x = 8,776.80 × 2,929.80
  4. Step 4: Simplify right side
    5,853.09x = 25,714,268.64
  5. Step 5: Solve for x
    x = 25,714,268.64/5,853.09
  6. Step 6: Final answer
    x = 4,393.28

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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.