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Finding the Fourth Proportional to 53,302.94, 79,954.71 and 22,138.19

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Solution

The fourth proportional to 53,302.94, 79,954.71 and 22,138.19 is: 33,207.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,302.94 : 79,954.71 = 22,138.19 : x
  2. Step 2: Convert to fraction form
    53,302.94/79,954.71 = 22,138.19/x
  3. Step 3: Cross multiply
    53,302.94x = 79,954.71 × 22,138.19
  4. Step 4: Simplify right side
    53,302.94x = 1,770,052,561.37
  5. Step 5: Solve for x
    x = 1,770,052,561.37/53,302.94
  6. Step 6: Final answer
    x = 33,207.41

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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.