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Finding the Fourth Proportional to 70,636.37, 105,914.61 and 23,238.63

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Solution

The fourth proportional to 70,636.37, 105,914.61 and 23,238.63 is: 34,844.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,636.37 : 105,914.61 = 23,238.63 : x
  2. Step 2: Convert to fraction form
    70,636.37/105,914.61 = 23,238.63/x
  3. Step 3: Cross multiply
    70,636.37x = 105,914.61 × 23,238.63
  4. Step 4: Simplify right side
    70,636.37x = 2,461,310,433.38
  5. Step 5: Solve for x
    x = 2,461,310,433.38/70,636.37
  6. Step 6: Final answer
    x = 34,844.81

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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.