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Finding the Fourth Proportional to 7,604.78, 10,493.55 and 4,247.16

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Solution

The fourth proportional to 7,604.78, 10,493.55 and 4,247.16 is: 5,860.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,604.78 : 10,493.55 = 4,247.16 : x
  2. Step 2: Convert to fraction form
    7,604.78/10,493.55 = 4,247.16/x
  3. Step 3: Cross multiply
    7,604.78x = 10,493.55 × 4,247.16
  4. Step 4: Simplify right side
    7,604.78x = 44,567,821.42
  5. Step 5: Solve for x
    x = 44,567,821.42/7,604.78
  6. Step 6: Final answer
    x = 5,860.50

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Half scale
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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.