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Finding the Fourth Proportional to 36,679.84, 50,615.32 and 21,573.08

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Solution

The fourth proportional to 36,679.84, 50,615.32 and 21,573.08 is: 29,769.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,679.84 : 50,615.32 = 21,573.08 : x
  2. Step 2: Convert to fraction form
    36,679.84/50,615.32 = 21,573.08/x
  3. Step 3: Cross multiply
    36,679.84x = 50,615.32 × 21,573.08
  4. Step 4: Simplify right side
    36,679.84x = 1,091,928,347.59
  5. Step 5: Solve for x
    x = 1,091,928,347.59/36,679.84
  6. Step 6: Final answer
    x = 29,769.17

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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.