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Finding the Fourth Proportional to 17,750.08, 26,629.04 and 5,271.12

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Solution

The fourth proportional to 17,750.08, 26,629.04 and 5,271.12 is: 7,907.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,750.08 : 26,629.04 = 5,271.12 : x
  2. Step 2: Convert to fraction form
    17,750.08/26,629.04 = 5,271.12/x
  3. Step 3: Cross multiply
    17,750.08x = 26,629.04 × 5,271.12
  4. Step 4: Simplify right side
    17,750.08x = 140,364,865.32
  5. Step 5: Solve for x
    x = 140,364,865.32/17,750.08
  6. Step 6: Final answer
    x = 7,907.84

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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.