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Finding the Fourth Proportional to 6,280.87, 9,423.13 and 1,898.97

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Solution

The fourth proportional to 6,280.87, 9,423.13 and 1,898.97 is: 2,849.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.87 : 9,423.13 = 1,898.97 : x
  2. Step 2: Convert to fraction form
    6,280.87/9,423.13 = 1,898.97/x
  3. Step 3: Cross multiply
    6,280.87x = 9,423.13 × 1,898.97
  4. Step 4: Simplify right side
    6,280.87x = 17,894,241.18
  5. Step 5: Solve for x
    x = 17,894,241.18/6,280.87
  6. Step 6: Final answer
    x = 2,849.01

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Double scale
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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.