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Finding the Fourth Proportional to 13,294.63, 18,329.55 and 10,895.77

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Solution

The fourth proportional to 13,294.63, 18,329.55 and 10,895.77 is: 15,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.63 : 18,329.55 = 10,895.77 : x
  2. Step 2: Convert to fraction form
    13,294.63/18,329.55 = 10,895.77/x
  3. Step 3: Cross multiply
    13,294.63x = 18,329.55 × 10,895.77
  4. Step 4: Simplify right side
    13,294.63x = 199,714,561.00
  5. Step 5: Solve for x
    x = 199,714,561.00/13,294.63
  6. Step 6: Final answer
    x = 15,022.20

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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.