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Finding the Fourth Proportional to 43,357, 59,832.66 and 23,485

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Solution

The fourth proportional to 43,357, 59,832.66 and 23,485 is: 32,409.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,357 : 59,832.66 = 23,485 : x
  2. Step 2: Convert to fraction form
    43,357/59,832.66 = 23,485/x
  3. Step 3: Cross multiply
    43,357x = 59,832.66 × 23,485
  4. Step 4: Simplify right side
    43,357x = 1,405,170,020.10
  5. Step 5: Solve for x
    x = 1,405,170,020.10/43,357
  6. Step 6: Final answer
    x = 32,409.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.