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Finding the Fourth Proportional to 7,398.66, 10,208.36 and 4,749.68

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Solution

The fourth proportional to 7,398.66, 10,208.36 and 4,749.68 is: 6,553.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398.66 : 10,208.36 = 4,749.68 : x
  2. Step 2: Convert to fraction form
    7,398.66/10,208.36 = 4,749.68/x
  3. Step 3: Cross multiply
    7,398.66x = 10,208.36 × 4,749.68
  4. Step 4: Simplify right side
    7,398.66x = 48,486,443.32
  5. Step 5: Solve for x
    x = 48,486,443.32/7,398.66
  6. Step 6: Final answer
    x = 6,553.41

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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.