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Finding the Fourth Proportional to 34,297.30, 51,449.64 and 10,918.30

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Solution

The fourth proportional to 34,297.30, 51,449.64 and 10,918.30 is: 16,378.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,297.30 : 51,449.64 = 10,918.30 : x
  2. Step 2: Convert to fraction form
    34,297.30/51,449.64 = 10,918.30/x
  3. Step 3: Cross multiply
    34,297.30x = 51,449.64 × 10,918.30
  4. Step 4: Simplify right side
    34,297.30x = 561,742,604.41
  5. Step 5: Solve for x
    x = 561,742,604.41/34,297.30
  6. Step 6: Final answer
    x = 16,378.62

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1.5x scale

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.