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Finding the Fourth Proportional to 19,568.40, 29,300.76 and 10,314.96

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Solution

The fourth proportional to 19,568.40, 29,300.76 and 10,314.96 is: 15,445.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,568.40 : 29,300.76 = 10,314.96 : x
  2. Step 2: Convert to fraction form
    19,568.40/29,300.76 = 10,314.96/x
  3. Step 3: Cross multiply
    19,568.40x = 29,300.76 × 10,314.96
  4. Step 4: Simplify right side
    19,568.40x = 302,236,167.37
  5. Step 5: Solve for x
    x = 302,236,167.37/19,568.40
  6. Step 6: Final answer
    x = 15,445.11

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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.