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Finding the Fourth Proportional to 53,606.61, 73,971.81 and 29,732.81

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Solution

The fourth proportional to 53,606.61, 73,971.81 and 29,732.81 is: 41,028.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,606.61 : 73,971.81 = 29,732.81 : x
  2. Step 2: Convert to fraction form
    53,606.61/73,971.81 = 29,732.81/x
  3. Step 3: Cross multiply
    53,606.61x = 73,971.81 × 29,732.81
  4. Step 4: Simplify right side
    53,606.61x = 2,199,389,402.23
  5. Step 5: Solve for x
    x = 2,199,389,402.23/53,606.61
  6. Step 6: Final answer
    x = 41,028.32

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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.