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Finding the Fourth Proportional to 5,685.80, 7,844.10 and 4,110.44

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Solution

The fourth proportional to 5,685.80, 7,844.10 and 4,110.44 is: 5,670.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.80 : 7,844.10 = 4,110.44 : x
  2. Step 2: Convert to fraction form
    5,685.80/7,844.10 = 4,110.44/x
  3. Step 3: Cross multiply
    5,685.80x = 7,844.10 × 4,110.44
  4. Step 4: Simplify right side
    5,685.80x = 32,242,702.40
  5. Step 5: Solve for x
    x = 32,242,702.40/5,685.80
  6. Step 6: Final answer
    x = 5,670.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.