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Finding the Fourth Proportional to 2,354.95, 3,531.83 and 968.67

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Solution

The fourth proportional to 2,354.95, 3,531.83 and 968.67 is: 1,452.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.95 : 3,531.83 = 968.67 : x
  2. Step 2: Convert to fraction form
    2,354.95/3,531.83 = 968.67/x
  3. Step 3: Cross multiply
    2,354.95x = 3,531.83 × 968.67
  4. Step 4: Simplify right side
    2,354.95x = 3,421,177.77
  5. Step 5: Solve for x
    x = 3,421,177.77/2,354.95
  6. Step 6: Final answer
    x = 1,452.76

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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.