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Finding the Fourth Proportional to 45,953.56, 68,928.72 and 14,788

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Solution

The fourth proportional to 45,953.56, 68,928.72 and 14,788 is: 22,181.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,953.56 : 68,928.72 = 14,788 : x
  2. Step 2: Convert to fraction form
    45,953.56/68,928.72 = 14,788/x
  3. Step 3: Cross multiply
    45,953.56x = 68,928.72 × 14,788
  4. Step 4: Simplify right side
    45,953.56x = 1,019,317,911.36
  5. Step 5: Solve for x
    x = 1,019,317,911.36/45,953.56
  6. Step 6: Final answer
    x = 22,181.48

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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.