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Finding the Fourth Proportional to 53,406, 73,699.07 and 29,532.87

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Solution

The fourth proportional to 53,406, 73,699.07 and 29,532.87 is: 40,754.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,406 : 73,699.07 = 29,532.87 : x
  2. Step 2: Convert to fraction form
    53,406/73,699.07 = 29,532.87/x
  3. Step 3: Cross multiply
    53,406x = 73,699.07 × 29,532.87
  4. Step 4: Simplify right side
    53,406x = 2,176,544,905.77
  5. Step 5: Solve for x
    x = 2,176,544,905.77/53,406
  6. Step 6: Final answer
    x = 40,754.69

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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.