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Finding the Fourth Proportional to 17,985.96, 26,838.23 and 16,118.10

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Solution

The fourth proportional to 17,985.96, 26,838.23 and 16,118.10 is: 24,051.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,985.96 : 26,838.23 = 16,118.10 : x
  2. Step 2: Convert to fraction form
    17,985.96/26,838.23 = 16,118.10/x
  3. Step 3: Cross multiply
    17,985.96x = 26,838.23 × 16,118.10
  4. Step 4: Simplify right side
    17,985.96x = 432,581,194.37
  5. Step 5: Solve for x
    x = 432,581,194.37/17,985.96
  6. Step 6: Final answer
    x = 24,051.05

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.