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Finding the Fourth Proportional to 6,325.72, 9,488.59 and 1,943.21

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Solution

The fourth proportional to 6,325.72, 9,488.59 and 1,943.21 is: 2,914.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,325.72 : 9,488.59 = 1,943.21 : x
  2. Step 2: Convert to fraction form
    6,325.72/9,488.59 = 1,943.21/x
  3. Step 3: Cross multiply
    6,325.72x = 9,488.59 × 1,943.21
  4. Step 4: Simplify right side
    6,325.72x = 18,438,341.84
  5. Step 5: Solve for x
    x = 18,438,341.84/6,325.72
  6. Step 6: Final answer
    x = 2,914.82

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Similar ratio
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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.