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Finding the Fourth Proportional to 33,675.70, 46,477.94 and 20,260.50

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Solution

The fourth proportional to 33,675.70, 46,477.94 and 20,260.50 is: 27,962.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,675.70 : 46,477.94 = 20,260.50 : x
  2. Step 2: Convert to fraction form
    33,675.70/46,477.94 = 20,260.50/x
  3. Step 3: Cross multiply
    33,675.70x = 46,477.94 × 20,260.50
  4. Step 4: Simplify right side
    33,675.70x = 941,666,303.37
  5. Step 5: Solve for x
    x = 941,666,303.37/33,675.70
  6. Step 6: Final answer
    x = 27,962.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.