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Finding the Fourth Proportional to 6,757.60, 10,112.10 and 4,570.60

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Solution

The fourth proportional to 6,757.60, 10,112.10 and 4,570.60 is: 6,839.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,757.60 : 10,112.10 = 4,570.60 : x
  2. Step 2: Convert to fraction form
    6,757.60/10,112.10 = 4,570.60/x
  3. Step 3: Cross multiply
    6,757.60x = 10,112.10 × 4,570.60
  4. Step 4: Simplify right side
    6,757.60x = 46,218,364.26
  5. Step 5: Solve for x
    x = 46,218,364.26/6,757.60
  6. Step 6: Final answer
    x = 6,839.46

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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.