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Finding the Fourth Proportional to 35,872.08, 53,804.16 and 9,579.12

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Solution

The fourth proportional to 35,872.08, 53,804.16 and 9,579.12 is: 14,367.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,872.08 : 53,804.16 = 9,579.12 : x
  2. Step 2: Convert to fraction form
    35,872.08/53,804.16 = 9,579.12/x
  3. Step 3: Cross multiply
    35,872.08x = 53,804.16 × 9,579.12
  4. Step 4: Simplify right side
    35,872.08x = 515,396,505.14
  5. Step 5: Solve for x
    x = 515,396,505.14/35,872.08
  6. Step 6: Final answer
    x = 14,367.62

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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.