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Finding the Fourth Proportional to 6,409.74, 9,558.06 and 6,181.32

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Solution

The fourth proportional to 6,409.74, 9,558.06 and 6,181.32 is: 9,217.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,409.74 : 9,558.06 = 6,181.32 : x
  2. Step 2: Convert to fraction form
    6,409.74/9,558.06 = 6,181.32/x
  3. Step 3: Cross multiply
    6,409.74x = 9,558.06 × 6,181.32
  4. Step 4: Simplify right side
    6,409.74x = 59,081,427.44
  5. Step 5: Solve for x
    x = 59,081,427.44/6,409.74
  6. Step 6: Final answer
    x = 9,217.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.