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Finding the Fourth Proportional to 56,277, 84,420.36 and 14,724

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Solution

The fourth proportional to 56,277, 84,420.36 and 14,724 is: 22,087.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,277 : 84,420.36 = 14,724 : x
  2. Step 2: Convert to fraction form
    56,277/84,420.36 = 14,724/x
  3. Step 3: Cross multiply
    56,277x = 84,420.36 × 14,724
  4. Step 4: Simplify right side
    56,277x = 1,243,005,380.64
  5. Step 5: Solve for x
    x = 1,243,005,380.64/56,277
  6. Step 6: Final answer
    x = 22,087.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.