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Finding the Fourth Proportional to 18,607.08, 27,914.72 and 6,126.60

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Solution

The fourth proportional to 18,607.08, 27,914.72 and 6,126.60 is: 9,191.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607.08 : 27,914.72 = 6,126.60 : x
  2. Step 2: Convert to fraction form
    18,607.08/27,914.72 = 6,126.60/x
  3. Step 3: Cross multiply
    18,607.08x = 27,914.72 × 6,126.60
  4. Step 4: Simplify right side
    18,607.08x = 171,022,323.55
  5. Step 5: Solve for x
    x = 171,022,323.55/18,607.08
  6. Step 6: Final answer
    x = 9,191.25

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1.5x scale

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.