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Finding the Fourth Proportional to 14,028.65, 19,357.62 and 8,060.32

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Solution

The fourth proportional to 14,028.65, 19,357.62 and 8,060.32 is: 11,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.65 : 19,357.62 = 8,060.32 : x
  2. Step 2: Convert to fraction form
    14,028.65/19,357.62 = 8,060.32/x
  3. Step 3: Cross multiply
    14,028.65x = 19,357.62 × 8,060.32
  4. Step 4: Simplify right side
    14,028.65x = 156,028,611.64
  5. Step 5: Solve for x
    x = 156,028,611.64/14,028.65
  6. Step 6: Final answer
    x = 11,122.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.