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Finding the Fourth Proportional to 6,572.25, 9,855.41 and 1,891.19

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Solution

The fourth proportional to 6,572.25, 9,855.41 and 1,891.19 is: 2,835.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,572.25 : 9,855.41 = 1,891.19 : x
  2. Step 2: Convert to fraction form
    6,572.25/9,855.41 = 1,891.19/x
  3. Step 3: Cross multiply
    6,572.25x = 9,855.41 × 1,891.19
  4. Step 4: Simplify right side
    6,572.25x = 18,638,394.10
  5. Step 5: Solve for x
    x = 18,638,394.10/6,572.25
  6. Step 6: Final answer
    x = 2,835.92

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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.