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Finding the Fourth Proportional to 25,515.01, 35,213.63 and 14,185.63

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Solution

The fourth proportional to 25,515.01, 35,213.63 and 14,185.63 is: 19,577.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,515.01 : 35,213.63 = 14,185.63 : x
  2. Step 2: Convert to fraction form
    25,515.01/35,213.63 = 14,185.63/x
  3. Step 3: Cross multiply
    25,515.01x = 35,213.63 × 14,185.63
  4. Step 4: Simplify right side
    25,515.01x = 499,527,526.14
  5. Step 5: Solve for x
    x = 499,527,526.14/25,515.01
  6. Step 6: Final answer
    x = 19,577.79

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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.