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Finding the Fourth Proportional to 35,876.57, 53,813.64 and 9,579.92

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Solution

The fourth proportional to 35,876.57, 53,813.64 and 9,579.92 is: 14,369.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,876.57 : 53,813.64 = 9,579.92 : x
  2. Step 2: Convert to fraction form
    35,876.57/53,813.64 = 9,579.92/x
  3. Step 3: Cross multiply
    35,876.57x = 53,813.64 × 9,579.92
  4. Step 4: Simplify right side
    35,876.57x = 515,530,366.11
  5. Step 5: Solve for x
    x = 515,530,366.11/35,876.57
  6. Step 6: Final answer
    x = 14,369.56

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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.