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Finding the Fourth Proportional to 2,594.39, 3,893.14 and 928.38

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Solution

The fourth proportional to 2,594.39, 3,893.14 and 928.38 is: 1,393.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,594.39 : 3,893.14 = 928.38 : x
  2. Step 2: Convert to fraction form
    2,594.39/3,893.14 = 928.38/x
  3. Step 3: Cross multiply
    2,594.39x = 3,893.14 × 928.38
  4. Step 4: Simplify right side
    2,594.39x = 3,614,313.31
  5. Step 5: Solve for x
    x = 3,614,313.31/2,594.39
  6. Step 6: Final answer
    x = 1,393.13

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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.