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Finding the Fourth Proportional to 2,233.95, 3,348.45 and 772.35

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Solution

The fourth proportional to 2,233.95, 3,348.45 and 772.35 is: 1,157.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,233.95 : 3,348.45 = 772.35 : x
  2. Step 2: Convert to fraction form
    2,233.95/3,348.45 = 772.35/x
  3. Step 3: Cross multiply
    2,233.95x = 3,348.45 × 772.35
  4. Step 4: Simplify right side
    2,233.95x = 2,586,175.36
  5. Step 5: Solve for x
    x = 2,586,175.36/2,233.95
  6. Step 6: Final answer
    x = 1,157.67

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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.