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Finding the Fourth Proportional to 7,318.08, 10,099.08 and 4,336.20

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Solution

The fourth proportional to 7,318.08, 10,099.08 and 4,336.20 is: 5,984.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.08 : 10,099.08 = 4,336.20 : x
  2. Step 2: Convert to fraction form
    7,318.08/10,099.08 = 4,336.20/x
  3. Step 3: Cross multiply
    7,318.08x = 10,099.08 × 4,336.20
  4. Step 4: Simplify right side
    7,318.08x = 43,791,630.70
  5. Step 5: Solve for x
    x = 43,791,630.70/7,318.08
  6. Step 6: Final answer
    x = 5,984.03

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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.