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Finding the Fourth Proportional to 70,392.06, 105,622.29 and 30,944.07

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Solution

The fourth proportional to 70,392.06, 105,622.29 and 30,944.07 is: 46,431.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,392.06 : 105,622.29 = 30,944.07 : x
  2. Step 2: Convert to fraction form
    70,392.06/105,622.29 = 30,944.07/x
  3. Step 3: Cross multiply
    70,392.06x = 105,622.29 × 30,944.07
  4. Step 4: Simplify right side
    70,392.06x = 3,268,383,535.32
  5. Step 5: Solve for x
    x = 3,268,383,535.32/70,392.06
  6. Step 6: Final answer
    x = 46,431.14

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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.