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Finding the Fourth Proportional to 4,710.15, 7,065.23 and 3,942.15

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Solution

The fourth proportional to 4,710.15, 7,065.23 and 3,942.15 is: 5,913.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,710.15 : 7,065.23 = 3,942.15 : x
  2. Step 2: Convert to fraction form
    4,710.15/7,065.23 = 3,942.15/x
  3. Step 3: Cross multiply
    4,710.15x = 7,065.23 × 3,942.15
  4. Step 4: Simplify right side
    4,710.15x = 27,852,176.73
  5. Step 5: Solve for x
    x = 27,852,176.73/4,710.15
  6. Step 6: Final answer
    x = 5,913.23

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Similar ratio
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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.