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Finding the Fourth Proportional to 13,460.08, 18,574.12 and 7,794.42

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Solution

The fourth proportional to 13,460.08, 18,574.12 and 7,794.42 is: 10,755.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.08 : 18,574.12 = 7,794.42 : x
  2. Step 2: Convert to fraction form
    13,460.08/18,574.12 = 7,794.42/x
  3. Step 3: Cross multiply
    13,460.08x = 18,574.12 × 7,794.42
  4. Step 4: Simplify right side
    13,460.08x = 144,774,492.41
  5. Step 5: Solve for x
    x = 144,774,492.41/13,460.08
  6. Step 6: Final answer
    x = 10,755.84

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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.