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Finding the Fourth Proportional to 7,392.06, 10,200.12 and 4,204.20

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Solution

The fourth proportional to 7,392.06, 10,200.12 and 4,204.20 is: 5,801.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.06 : 10,200.12 = 4,204.20 : x
  2. Step 2: Convert to fraction form
    7,392.06/10,200.12 = 4,204.20/x
  3. Step 3: Cross multiply
    7,392.06x = 10,200.12 × 4,204.20
  4. Step 4: Simplify right side
    7,392.06x = 42,883,344.50
  5. Step 5: Solve for x
    x = 42,883,344.50/7,392.06
  6. Step 6: Final answer
    x = 5,801.27

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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.