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Finding the Fourth Proportional to 9,333.32, 13,995.90 and 4,949.78

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Solution

The fourth proportional to 9,333.32, 13,995.90 and 4,949.78 is: 7,422.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,333.32 : 13,995.90 = 4,949.78 : x
  2. Step 2: Convert to fraction form
    9,333.32/13,995.90 = 4,949.78/x
  3. Step 3: Cross multiply
    9,333.32x = 13,995.90 × 4,949.78
  4. Step 4: Simplify right side
    9,333.32x = 69,276,625.90
  5. Step 5: Solve for x
    x = 69,276,625.90/9,333.32
  6. Step 6: Final answer
    x = 7,422.51

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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.