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Finding the Fourth Proportional to 6,543.13, 8,994.71 and 5,631.33

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Solution

The fourth proportional to 6,543.13, 8,994.71 and 5,631.33 is: 7,741.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543.13 : 8,994.71 = 5,631.33 : x
  2. Step 2: Convert to fraction form
    6,543.13/8,994.71 = 5,631.33/x
  3. Step 3: Cross multiply
    6,543.13x = 8,994.71 × 5,631.33
  4. Step 4: Simplify right side
    6,543.13x = 50,652,180.26
  5. Step 5: Solve for x
    x = 50,652,180.26/6,543.13
  6. Step 6: Final answer
    x = 7,741.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.