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Finding the Fourth Proportional to 6,803.60, 10,189.71 and 4,917.54

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Solution

The fourth proportional to 6,803.60, 10,189.71 and 4,917.54 is: 7,364.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,803.60 : 10,189.71 = 4,917.54 : x
  2. Step 2: Convert to fraction form
    6,803.60/10,189.71 = 4,917.54/x
  3. Step 3: Cross multiply
    6,803.60x = 10,189.71 × 4,917.54
  4. Step 4: Simplify right side
    6,803.60x = 50,108,344.72
  5. Step 5: Solve for x
    x = 50,108,344.72/6,803.60
  6. Step 6: Final answer
    x = 7,364.98

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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.