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Finding the Fourth Proportional to 6,341.56, 8,751.46 and 3,509.08

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Solution

The fourth proportional to 6,341.56, 8,751.46 and 3,509.08 is: 4,842.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,341.56 : 8,751.46 = 3,509.08 : x
  2. Step 2: Convert to fraction form
    6,341.56/8,751.46 = 3,509.08/x
  3. Step 3: Cross multiply
    6,341.56x = 8,751.46 × 3,509.08
  4. Step 4: Simplify right side
    6,341.56x = 30,709,573.26
  5. Step 5: Solve for x
    x = 30,709,573.26/6,341.56
  6. Step 6: Final answer
    x = 4,842.59

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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.