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Finding the Fourth Proportional to 36,322.94, 50,126.94 and 20,407.07

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Solution

The fourth proportional to 36,322.94, 50,126.94 and 20,407.07 is: 28,162.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,322.94 : 50,126.94 = 20,407.07 : x
  2. Step 2: Convert to fraction form
    36,322.94/50,126.94 = 20,407.07/x
  3. Step 3: Cross multiply
    36,322.94x = 50,126.94 × 20,407.07
  4. Step 4: Simplify right side
    36,322.94x = 1,022,943,973.47
  5. Step 5: Solve for x
    x = 1,022,943,973.47/36,322.94
  6. Step 6: Final answer
    x = 28,162.48

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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.