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Finding the Fourth Proportional to 56,524, 84,787.62 and 14,971

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Solution

The fourth proportional to 56,524, 84,787.62 and 14,971 is: 22,456.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,524 : 84,787.62 = 14,971 : x
  2. Step 2: Convert to fraction form
    56,524/84,787.62 = 14,971/x
  3. Step 3: Cross multiply
    56,524x = 84,787.62 × 14,971
  4. Step 4: Simplify right side
    56,524x = 1,269,355,459.02
  5. Step 5: Solve for x
    x = 1,269,355,459.02/56,524
  6. Step 6: Final answer
    x = 22,456.93

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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.