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Finding the Fourth Proportional to 2,846.49, 4,269.75 and 898.70

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Solution

The fourth proportional to 2,846.49, 4,269.75 and 898.70 is: 1,348.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,846.49 : 4,269.75 = 898.70 : x
  2. Step 2: Convert to fraction form
    2,846.49/4,269.75 = 898.70/x
  3. Step 3: Cross multiply
    2,846.49x = 4,269.75 × 898.70
  4. Step 4: Simplify right side
    2,846.49x = 3,837,199.61
  5. Step 5: Solve for x
    x = 3,837,199.61/2,846.49
  6. Step 6: Final answer
    x = 1,348.05

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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.