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Finding the Fourth Proportional to 9,015.96, 13,523.94 and 4,395

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Solution

The fourth proportional to 9,015.96, 13,523.94 and 4,395 is: 6,592.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.96 : 13,523.94 = 4,395 : x
  2. Step 2: Convert to fraction form
    9,015.96/13,523.94 = 4,395/x
  3. Step 3: Cross multiply
    9,015.96x = 13,523.94 × 4,395
  4. Step 4: Simplify right side
    9,015.96x = 59,437,716.30
  5. Step 5: Solve for x
    x = 59,437,716.30/9,015.96
  6. Step 6: Final answer
    x = 6,592.50

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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.