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Finding the Fourth Proportional to 35,429.92, 53,147.94 and 9,134.44

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Solution

The fourth proportional to 35,429.92, 53,147.94 and 9,134.44 is: 13,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,429.92 : 53,147.94 = 9,134.44 : x
  2. Step 2: Convert to fraction form
    35,429.92/53,147.94 = 9,134.44/x
  3. Step 3: Cross multiply
    35,429.92x = 53,147.94 × 9,134.44
  4. Step 4: Simplify right side
    35,429.92x = 485,476,669.05
  5. Step 5: Solve for x
    x = 485,476,669.05/35,429.92
  6. Step 6: Final answer
    x = 13,702.45

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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.