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Finding the Fourth Proportional to 54,970.65, 82,466.64 and 17,529.48

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Solution

The fourth proportional to 54,970.65, 82,466.64 and 17,529.48 is: 26,297.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,970.65 : 82,466.64 = 17,529.48 : x
  2. Step 2: Convert to fraction form
    54,970.65/82,466.64 = 17,529.48/x
  3. Step 3: Cross multiply
    54,970.65x = 82,466.64 × 17,529.48
  4. Step 4: Simplify right side
    54,970.65x = 1,445,597,316.55
  5. Step 5: Solve for x
    x = 1,445,597,316.55/54,970.65
  6. Step 6: Final answer
    x = 26,297.62

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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.