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Finding the Fourth Proportional to 3,705.92, 5,558.88 and 2,064.32

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Solution

The fourth proportional to 3,705.92, 5,558.88 and 2,064.32 is: 3,096.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.92 : 5,558.88 = 2,064.32 : x
  2. Step 2: Convert to fraction form
    3,705.92/5,558.88 = 2,064.32/x
  3. Step 3: Cross multiply
    3,705.92x = 5,558.88 × 2,064.32
  4. Step 4: Simplify right side
    3,705.92x = 11,475,307.16
  5. Step 5: Solve for x
    x = 11,475,307.16/3,705.92
  6. Step 6: Final answer
    x = 3,096.48

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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.