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Finding the Fourth Proportional to 2,334.76, 3,502.21 and 873.63

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Solution

The fourth proportional to 2,334.76, 3,502.21 and 873.63 is: 1,310.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.76 : 3,502.21 = 873.63 : x
  2. Step 2: Convert to fraction form
    2,334.76/3,502.21 = 873.63/x
  3. Step 3: Cross multiply
    2,334.76x = 3,502.21 × 873.63
  4. Step 4: Simplify right side
    2,334.76x = 3,059,633.54
  5. Step 5: Solve for x
    x = 3,059,633.54/2,334.76
  6. Step 6: Final answer
    x = 1,310.47

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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.