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Finding the Fourth Proportional to 17,652.87, 26,485.38 and 8,880.57

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Solution

The fourth proportional to 17,652.87, 26,485.38 and 8,880.57 is: 13,323.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,652.87 : 26,485.38 = 8,880.57 : x
  2. Step 2: Convert to fraction form
    17,652.87/26,485.38 = 8,880.57/x
  3. Step 3: Cross multiply
    17,652.87x = 26,485.38 × 8,880.57
  4. Step 4: Simplify right side
    17,652.87x = 235,205,271.07
  5. Step 5: Solve for x
    x = 235,205,271.07/17,652.87
  6. Step 6: Final answer
    x = 13,323.91

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Why These Related Problems?

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