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Finding the Fourth Proportional to 6,237.60, 8,549.40 and 6,194.40

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Solution

The fourth proportional to 6,237.60, 8,549.40 and 6,194.40 is: 8,490.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,237.60 : 8,549.40 = 6,194.40 : x
  2. Step 2: Convert to fraction form
    6,237.60/8,549.40 = 6,194.40/x
  3. Step 3: Cross multiply
    6,237.60x = 8,549.40 × 6,194.40
  4. Step 4: Simplify right side
    6,237.60x = 52,958,403.36
  5. Step 5: Solve for x
    x = 52,958,403.36/6,237.60
  6. Step 6: Final answer
    x = 8,490.19

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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.