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Finding the Fourth Proportional to 1,601.57, 2,210.16 and 893.41

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Solution

The fourth proportional to 1,601.57, 2,210.16 and 893.41 is: 1,232.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.57 : 2,210.16 = 893.41 : x
  2. Step 2: Convert to fraction form
    1,601.57/2,210.16 = 893.41/x
  3. Step 3: Cross multiply
    1,601.57x = 2,210.16 × 893.41
  4. Step 4: Simplify right side
    1,601.57x = 1,974,579.05
  5. Step 5: Solve for x
    x = 1,974,579.05/1,601.57
  6. Step 6: Final answer
    x = 1,232.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.