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Finding the Fourth Proportional to 23,639.84, 32,622.87 and 13,029.47

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Solution

The fourth proportional to 23,639.84, 32,622.87 and 13,029.47 is: 17,980.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,639.84 : 32,622.87 = 13,029.47 : x
  2. Step 2: Convert to fraction form
    23,639.84/32,622.87 = 13,029.47/x
  3. Step 3: Cross multiply
    23,639.84x = 32,622.87 × 13,029.47
  4. Step 4: Simplify right side
    23,639.84x = 425,058,542.86
  5. Step 5: Solve for x
    x = 425,058,542.86/23,639.84
  6. Step 6: Final answer
    x = 17,980.61

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