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Finding the Fourth Proportional to 15,984, 22,058.01 and 8,716.05

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Solution

The fourth proportional to 15,984, 22,058.01 and 8,716.05 is: 12,028.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,984 : 22,058.01 = 8,716.05 : x
  2. Step 2: Convert to fraction form
    15,984/22,058.01 = 8,716.05/x
  3. Step 3: Cross multiply
    15,984x = 22,058.01 × 8,716.05
  4. Step 4: Simplify right side
    15,984x = 192,258,718.06
  5. Step 5: Solve for x
    x = 192,258,718.06/15,984
  6. Step 6: Final answer
    x = 12,028.20

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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.