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Finding the Fourth Proportional to 36,798.96, 50,786.28 and 21,696.24

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Solution

The fourth proportional to 36,798.96, 50,786.28 and 21,696.24 is: 29,943.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,798.96 : 50,786.28 = 21,696.24 : x
  2. Step 2: Convert to fraction form
    36,798.96/50,786.28 = 21,696.24/x
  3. Step 3: Cross multiply
    36,798.96x = 50,786.28 × 21,696.24
  4. Step 4: Simplify right side
    36,798.96x = 1,101,871,319.59
  5. Step 5: Solve for x
    x = 1,101,871,319.59/36,798.96
  6. Step 6: Final answer
    x = 29,943.00

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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.