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Finding the Fourth Proportional to 7,099.96, 10,641.30 and 3,203.32

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Solution

The fourth proportional to 7,099.96, 10,641.30 and 3,203.32 is: 4,801.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.96 : 10,641.30 = 3,203.32 : x
  2. Step 2: Convert to fraction form
    7,099.96/10,641.30 = 3,203.32/x
  3. Step 3: Cross multiply
    7,099.96x = 10,641.30 × 3,203.32
  4. Step 4: Simplify right side
    7,099.96x = 34,087,489.12
  5. Step 5: Solve for x
    x = 34,087,489.12/7,099.96
  6. Step 6: Final answer
    x = 4,801.08

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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.