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Finding the Fourth Proportional to 35,349.84, 53,024.88 and 11,992.80

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Solution

The fourth proportional to 35,349.84, 53,024.88 and 11,992.80 is: 17,989.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,349.84 : 53,024.88 = 11,992.80 : x
  2. Step 2: Convert to fraction form
    35,349.84/53,024.88 = 11,992.80/x
  3. Step 3: Cross multiply
    35,349.84x = 53,024.88 × 11,992.80
  4. Step 4: Simplify right side
    35,349.84x = 635,916,780.86
  5. Step 5: Solve for x
    x = 635,916,780.86/35,349.84
  6. Step 6: Final answer
    x = 17,989.24

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.