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Finding the Fourth Proportional to 56,529.78, 84,800.46 and 14,976.78

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Solution

The fourth proportional to 56,529.78, 84,800.46 and 14,976.78 is: 22,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,529.78 : 84,800.46 = 14,976.78 : x
  2. Step 2: Convert to fraction form
    56,529.78/84,800.46 = 14,976.78/x
  3. Step 3: Cross multiply
    56,529.78x = 84,800.46 × 14,976.78
  4. Step 4: Simplify right side
    56,529.78x = 1,270,037,833.32
  5. Step 5: Solve for x
    x = 1,270,037,833.32/56,529.78
  6. Step 6: Final answer
    x = 22,466.70

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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.