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Finding the Fourth Proportional to 14,396.54, 21,601.67 and 7,471.02

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Solution

The fourth proportional to 14,396.54, 21,601.67 and 7,471.02 is: 11,210.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,396.54 : 21,601.67 = 7,471.02 : x
  2. Step 2: Convert to fraction form
    14,396.54/21,601.67 = 7,471.02/x
  3. Step 3: Cross multiply
    14,396.54x = 21,601.67 × 7,471.02
  4. Step 4: Simplify right side
    14,396.54x = 161,386,508.60
  5. Step 5: Solve for x
    x = 161,386,508.60/14,396.54
  6. Step 6: Final answer
    x = 11,210.09

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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.