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Finding the Fourth Proportional to 2,706.69, 3,735.19 and 1,528.14

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Solution

The fourth proportional to 2,706.69, 3,735.19 and 1,528.14 is: 2,108.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,706.69 : 3,735.19 = 1,528.14 : x
  2. Step 2: Convert to fraction form
    2,706.69/3,735.19 = 1,528.14/x
  3. Step 3: Cross multiply
    2,706.69x = 3,735.19 × 1,528.14
  4. Step 4: Simplify right side
    2,706.69x = 5,707,870.75
  5. Step 5: Solve for x
    x = 5,707,870.75/2,706.69
  6. Step 6: Final answer
    x = 2,108.80

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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.