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Finding the Fourth Proportional to 25,093.16, 34,629.70 and 15,019.70

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Solution

The fourth proportional to 25,093.16, 34,629.70 and 15,019.70 is: 20,727.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,093.16 : 34,629.70 = 15,019.70 : x
  2. Step 2: Convert to fraction form
    25,093.16/34,629.70 = 15,019.70/x
  3. Step 3: Cross multiply
    25,093.16x = 34,629.70 × 15,019.70
  4. Step 4: Simplify right side
    25,093.16x = 520,127,705.09
  5. Step 5: Solve for x
    x = 520,127,705.09/25,093.16
  6. Step 6: Final answer
    x = 20,727.87

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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.