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Finding the Fourth Proportional to 14,602.56, 21,895.44 and 7,190.88

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Solution

The fourth proportional to 14,602.56, 21,895.44 and 7,190.88 is: 10,782.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,602.56 : 21,895.44 = 7,190.88 : x
  2. Step 2: Convert to fraction form
    14,602.56/21,895.44 = 7,190.88/x
  3. Step 3: Cross multiply
    14,602.56x = 21,895.44 × 7,190.88
  4. Step 4: Simplify right side
    14,602.56x = 157,447,481.59
  5. Step 5: Solve for x
    x = 157,447,481.59/14,602.56
  6. Step 6: Final answer
    x = 10,782.18

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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.