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Finding the Fourth Proportional to 35,700.36, 53,555.10 and 11,997.74

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Solution

The fourth proportional to 35,700.36, 53,555.10 and 11,997.74 is: 17,998.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,700.36 : 53,555.10 = 11,997.74 : x
  2. Step 2: Convert to fraction form
    35,700.36/53,555.10 = 11,997.74/x
  3. Step 3: Cross multiply
    35,700.36x = 53,555.10 × 11,997.74
  4. Step 4: Simplify right side
    35,700.36x = 642,539,897.70
  5. Step 5: Solve for x
    x = 642,539,897.70/35,700.36
  6. Step 6: Final answer
    x = 17,998.13

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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.