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Finding the Fourth Proportional to 38,089.84, 52,563.88 and 21,322.84

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Solution

The fourth proportional to 38,089.84, 52,563.88 and 21,322.84 is: 29,425.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,089.84 : 52,563.88 = 21,322.84 : x
  2. Step 2: Convert to fraction form
    38,089.84/52,563.88 = 21,322.84/x
  3. Step 3: Cross multiply
    38,089.84x = 52,563.88 × 21,322.84
  4. Step 4: Simplify right side
    38,089.84x = 1,120,811,203.02
  5. Step 5: Solve for x
    x = 1,120,811,203.02/38,089.84
  6. Step 6: Final answer
    x = 29,425.46

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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.