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Finding the Fourth Proportional to 9,114.06, 13,670.01 and 2,958.06

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Solution

The fourth proportional to 9,114.06, 13,670.01 and 2,958.06 is: 4,436.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,114.06 : 13,670.01 = 2,958.06 : x
  2. Step 2: Convert to fraction form
    9,114.06/13,670.01 = 2,958.06/x
  3. Step 3: Cross multiply
    9,114.06x = 13,670.01 × 2,958.06
  4. Step 4: Simplify right side
    9,114.06x = 40,436,709.78
  5. Step 5: Solve for x
    x = 40,436,709.78/9,114.06
  6. Step 6: Final answer
    x = 4,436.74

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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.