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Finding the Fourth Proportional to 29,021, 40,052.76 and 17,085.44

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Solution

The fourth proportional to 29,021, 40,052.76 and 17,085.44 is: 23,580.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,021 : 40,052.76 = 17,085.44 : x
  2. Step 2: Convert to fraction form
    29,021/40,052.76 = 17,085.44/x
  3. Step 3: Cross multiply
    29,021x = 40,052.76 × 17,085.44
  4. Step 4: Simplify right side
    29,021x = 684,319,027.81
  5. Step 5: Solve for x
    x = 684,319,027.81/29,021
  6. Step 6: Final answer
    x = 23,580.13

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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.