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Finding the Fourth Proportional to 9,655.19, 13,325.28 and 5,880.57

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Solution

The fourth proportional to 9,655.19, 13,325.28 and 5,880.57 is: 8,115.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,655.19 : 13,325.28 = 5,880.57 : x
  2. Step 2: Convert to fraction form
    9,655.19/13,325.28 = 5,880.57/x
  3. Step 3: Cross multiply
    9,655.19x = 13,325.28 × 5,880.57
  4. Step 4: Simplify right side
    9,655.19x = 78,360,145.78
  5. Step 5: Solve for x
    x = 78,360,145.78/9,655.19
  6. Step 6: Final answer
    x = 8,115.86

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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.