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Finding the Fourth Proportional to 35,452.40, 53,257.80 and 29,620.40

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Solution

The fourth proportional to 35,452.40, 53,257.80 and 29,620.40 is: 44,496.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,452.40 : 53,257.80 = 29,620.40 : x
  2. Step 2: Convert to fraction form
    35,452.40/53,257.80 = 29,620.40/x
  3. Step 3: Cross multiply
    35,452.40x = 53,257.80 × 29,620.40
  4. Step 4: Simplify right side
    35,452.40x = 1,577,517,339.12
  5. Step 5: Solve for x
    x = 1,577,517,339.12/35,452.40
  6. Step 6: Final answer
    x = 44,496.77

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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.