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Finding the Fourth Proportional to 18,334.60, 25,302.15 and 10,376.83

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Solution

The fourth proportional to 18,334.60, 25,302.15 and 10,376.83 is: 14,320.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,334.60 : 25,302.15 = 10,376.83 : x
  2. Step 2: Convert to fraction form
    18,334.60/25,302.15 = 10,376.83/x
  3. Step 3: Cross multiply
    18,334.60x = 25,302.15 × 10,376.83
  4. Step 4: Simplify right side
    18,334.60x = 262,556,109.18
  5. Step 5: Solve for x
    x = 262,556,109.18/18,334.60
  6. Step 6: Final answer
    x = 14,320.25

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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.