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Finding the Fourth Proportional to 7,479.14, 10,321.02 and 4,335.14

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Solution

The fourth proportional to 7,479.14, 10,321.02 and 4,335.14 is: 5,982.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.14 : 10,321.02 = 4,335.14 : x
  2. Step 2: Convert to fraction form
    7,479.14/10,321.02 = 4,335.14/x
  3. Step 3: Cross multiply
    7,479.14x = 10,321.02 × 4,335.14
  4. Step 4: Simplify right side
    7,479.14x = 44,743,066.64
  5. Step 5: Solve for x
    x = 44,743,066.64/7,479.14
  6. Step 6: Final answer
    x = 5,982.38

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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.