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Finding the Fourth Proportional to 70,811.14, 106,216.71 and 26,441.36

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Solution

The fourth proportional to 70,811.14, 106,216.71 and 26,441.36 is: 39,662.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,811.14 : 106,216.71 = 26,441.36 : x
  2. Step 2: Convert to fraction form
    70,811.14/106,216.71 = 26,441.36/x
  3. Step 3: Cross multiply
    70,811.14x = 106,216.71 × 26,441.36
  4. Step 4: Simplify right side
    70,811.14x = 2,808,513,736.04
  5. Step 5: Solve for x
    x = 2,808,513,736.04/70,811.14
  6. Step 6: Final answer
    x = 39,662.03

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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.