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Finding the Fourth Proportional to 46,821, 70,238.49 and 17,236.56

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Solution

The fourth proportional to 46,821, 70,238.49 and 17,236.56 is: 25,857.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,821 : 70,238.49 = 17,236.56 : x
  2. Step 2: Convert to fraction form
    46,821/70,238.49 = 17,236.56/x
  3. Step 3: Cross multiply
    46,821x = 70,238.49 × 17,236.56
  4. Step 4: Simplify right side
    46,821x = 1,210,669,947.19
  5. Step 5: Solve for x
    x = 1,210,669,947.19/46,821
  6. Step 6: Final answer
    x = 25,857.41

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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.