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Finding the Fourth Proportional to 3,326.47, 4,590.47 and 1,834.35

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Solution

The fourth proportional to 3,326.47, 4,590.47 and 1,834.35 is: 2,531.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.47 : 4,590.47 = 1,834.35 : x
  2. Step 2: Convert to fraction form
    3,326.47/4,590.47 = 1,834.35/x
  3. Step 3: Cross multiply
    3,326.47x = 4,590.47 × 1,834.35
  4. Step 4: Simplify right side
    3,326.47x = 8,420,516.02
  5. Step 5: Solve for x
    x = 8,420,516.02/3,326.47
  6. Step 6: Final answer
    x = 2,531.37

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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.