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Finding the Fourth Proportional to 18,329.50, 25,294.44 and 10,776.68

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Solution

The fourth proportional to 18,329.50, 25,294.44 and 10,776.68 is: 14,871.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.50 : 25,294.44 = 10,776.68 : x
  2. Step 2: Convert to fraction form
    18,329.50/25,294.44 = 10,776.68/x
  3. Step 3: Cross multiply
    18,329.50x = 25,294.44 × 10,776.68
  4. Step 4: Simplify right side
    18,329.50x = 272,590,085.66
  5. Step 5: Solve for x
    x = 272,590,085.66/18,329.50
  6. Step 6: Final answer
    x = 14,871.66

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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.