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Finding the Fourth Proportional to 21,626.53, 32,436.99 and 6,836.94

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Solution

The fourth proportional to 21,626.53, 32,436.99 and 6,836.94 is: 10,254.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,626.53 : 32,436.99 = 6,836.94 : x
  2. Step 2: Convert to fraction form
    21,626.53/32,436.99 = 6,836.94/x
  3. Step 3: Cross multiply
    21,626.53x = 32,436.99 × 6,836.94
  4. Step 4: Simplify right side
    21,626.53x = 221,769,754.41
  5. Step 5: Solve for x
    x = 221,769,754.41/21,626.53
  6. Step 6: Final answer
    x = 10,254.52

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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.