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Finding the Fourth Proportional to 2,336.34, 3,505.26 and 948.90

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Solution

The fourth proportional to 2,336.34, 3,505.26 and 948.90 is: 1,423.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,336.34 : 3,505.26 = 948.90 : x
  2. Step 2: Convert to fraction form
    2,336.34/3,505.26 = 948.90/x
  3. Step 3: Cross multiply
    2,336.34x = 3,505.26 × 948.90
  4. Step 4: Simplify right side
    2,336.34x = 3,326,141.21
  5. Step 5: Solve for x
    x = 3,326,141.21/2,336.34
  6. Step 6: Final answer
    x = 1,423.65

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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.