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Finding the Fourth Proportional to 13,744.59, 18,967.65 and 7,457.01

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Solution

The fourth proportional to 13,744.59, 18,967.65 and 7,457.01 is: 10,290.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.59 : 18,967.65 = 7,457.01 : x
  2. Step 2: Convert to fraction form
    13,744.59/18,967.65 = 7,457.01/x
  3. Step 3: Cross multiply
    13,744.59x = 18,967.65 × 7,457.01
  4. Step 4: Simplify right side
    13,744.59x = 141,441,955.73
  5. Step 5: Solve for x
    x = 141,441,955.73/13,744.59
  6. Step 6: Final answer
    x = 10,290.74

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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.