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Finding the Fourth Proportional to 5,757.93, 8,641.60 and 2,985.44

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Solution

The fourth proportional to 5,757.93, 8,641.60 and 2,985.44 is: 4,480.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.93 : 8,641.60 = 2,985.44 : x
  2. Step 2: Convert to fraction form
    5,757.93/8,641.60 = 2,985.44/x
  3. Step 3: Cross multiply
    5,757.93x = 8,641.60 × 2,985.44
  4. Step 4: Simplify right side
    5,757.93x = 25,798,927.63
  5. Step 5: Solve for x
    x = 25,798,927.63/5,757.93
  6. Step 6: Final answer
    x = 4,480.59

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1.5x scale

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.