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Finding the Fourth Proportional to 6,247.58, 8,621.71 and 4,009.50

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Solution

The fourth proportional to 6,247.58, 8,621.71 and 4,009.50 is: 5,533.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.58 : 8,621.71 = 4,009.50 : x
  2. Step 2: Convert to fraction form
    6,247.58/8,621.71 = 4,009.50/x
  3. Step 3: Cross multiply
    6,247.58x = 8,621.71 × 4,009.50
  4. Step 4: Simplify right side
    6,247.58x = 34,568,736.22
  5. Step 5: Solve for x
    x = 34,568,736.22/6,247.58
  6. Step 6: Final answer
    x = 5,533.14

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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.