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Finding the Fourth Proportional to 3,117.01, 4,674.73 and 925.23

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Solution

The fourth proportional to 3,117.01, 4,674.73 and 925.23 is: 1,387.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.01 : 4,674.73 = 925.23 : x
  2. Step 2: Convert to fraction form
    3,117.01/4,674.73 = 925.23/x
  3. Step 3: Cross multiply
    3,117.01x = 4,674.73 × 925.23
  4. Step 4: Simplify right side
    3,117.01x = 4,325,200.44
  5. Step 5: Solve for x
    x = 4,325,200.44/3,117.01
  6. Step 6: Final answer
    x = 1,387.61

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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.