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Finding the Fourth Proportional to 53,322.52, 73,583.67 and 29,448.68

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Solution

The fourth proportional to 53,322.52, 73,583.67 and 29,448.68 is: 40,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,322.52 : 73,583.67 = 29,448.68 : x
  2. Step 2: Convert to fraction form
    53,322.52/73,583.67 = 29,448.68/x
  3. Step 3: Cross multiply
    53,322.52x = 73,583.67 × 29,448.68
  4. Step 4: Simplify right side
    53,322.52x = 2,166,942,208.64
  5. Step 5: Solve for x
    x = 2,166,942,208.64/53,322.52
  6. Step 6: Final answer
    x = 40,638.40

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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.