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Finding the Fourth Proportional to 70,039.37, 105,034.91 and 22,642.32

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Solution

The fourth proportional to 70,039.37, 105,034.91 and 22,642.32 is: 33,955.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,039.37 : 105,034.91 = 22,642.32 : x
  2. Step 2: Convert to fraction form
    70,039.37/105,034.91 = 22,642.32/x
  3. Step 3: Cross multiply
    70,039.37x = 105,034.91 × 22,642.32
  4. Step 4: Simplify right side
    70,039.37x = 2,378,234,043.39
  5. Step 5: Solve for x
    x = 2,378,234,043.39/70,039.37
  6. Step 6: Final answer
    x = 33,955.67

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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.