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Finding the Fourth Proportional to 4,269.94, 6,404.92 and 1,191.94

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Solution

The fourth proportional to 4,269.94, 6,404.92 and 1,191.94 is: 1,787.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.94 : 6,404.92 = 1,191.94 : x
  2. Step 2: Convert to fraction form
    4,269.94/6,404.92 = 1,191.94/x
  3. Step 3: Cross multiply
    4,269.94x = 6,404.92 × 1,191.94
  4. Step 4: Simplify right side
    4,269.94x = 7,634,261.35
  5. Step 5: Solve for x
    x = 7,634,261.35/4,269.94
  6. Step 6: Final answer
    x = 1,787.91

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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.