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Finding the Fourth Proportional to 3,386.62, 4,673.23 and 1,894.42

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Solution

The fourth proportional to 3,386.62, 4,673.23 and 1,894.42 is: 2,614.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.62 : 4,673.23 = 1,894.42 : x
  2. Step 2: Convert to fraction form
    3,386.62/4,673.23 = 1,894.42/x
  3. Step 3: Cross multiply
    3,386.62x = 4,673.23 × 1,894.42
  4. Step 4: Simplify right side
    3,386.62x = 8,853,060.38
  5. Step 5: Solve for x
    x = 8,853,060.38/3,386.62
  6. Step 6: Final answer
    x = 2,614.13

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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.