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Finding the Fourth Proportional to 1,684.62, 2,528.23 and 1,168.23

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Solution

The fourth proportional to 1,684.62, 2,528.23 and 1,168.23 is: 1,753.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684.62 : 2,528.23 = 1,168.23 : x
  2. Step 2: Convert to fraction form
    1,684.62/2,528.23 = 1,168.23/x
  3. Step 3: Cross multiply
    1,684.62x = 2,528.23 × 1,168.23
  4. Step 4: Simplify right side
    1,684.62x = 2,953,554.13
  5. Step 5: Solve for x
    x = 2,953,554.13/1,684.62
  6. Step 6: Final answer
    x = 1,753.25

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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.