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Finding the Fourth Proportional to 44,245.84, 66,368.76 and 13,078.68

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Solution

The fourth proportional to 44,245.84, 66,368.76 and 13,078.68 is: 19,618.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,245.84 : 66,368.76 = 13,078.68 : x
  2. Step 2: Convert to fraction form
    44,245.84/66,368.76 = 13,078.68/x
  3. Step 3: Cross multiply
    44,245.84x = 66,368.76 × 13,078.68
  4. Step 4: Simplify right side
    44,245.84x = 868,015,774.04
  5. Step 5: Solve for x
    x = 868,015,774.04/44,245.84
  6. Step 6: Final answer
    x = 19,618.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.