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Finding the Fourth Proportional to 8,168.06, 11,271.93 and 4,442.06

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Solution

The fourth proportional to 8,168.06, 11,271.93 and 4,442.06 is: 6,130.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.06 : 11,271.93 = 4,442.06 : x
  2. Step 2: Convert to fraction form
    8,168.06/11,271.93 = 4,442.06/x
  3. Step 3: Cross multiply
    8,168.06x = 11,271.93 × 4,442.06
  4. Step 4: Simplify right side
    8,168.06x = 50,070,589.38
  5. Step 5: Solve for x
    x = 50,070,589.38/8,168.06
  6. Step 6: Final answer
    x = 6,130.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.