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Finding the Fourth Proportional to 2,353.57, 3,528.26 and 893.75

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Solution

The fourth proportional to 2,353.57, 3,528.26 and 893.75 is: 1,339.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.57 : 3,528.26 = 893.75 : x
  2. Step 2: Convert to fraction form
    2,353.57/3,528.26 = 893.75/x
  3. Step 3: Cross multiply
    2,353.57x = 3,528.26 × 893.75
  4. Step 4: Simplify right side
    2,353.57x = 3,153,361.10
  5. Step 5: Solve for x
    x = 3,153,361.10/2,353.57
  6. Step 6: Final answer
    x = 1,339.82

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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.