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Finding the Fourth Proportional to 21,352.98, 29,466.81 and 11,792.94

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Solution

The fourth proportional to 21,352.98, 29,466.81 and 11,792.94 is: 16,274.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,352.98 : 29,466.81 = 11,792.94 : x
  2. Step 2: Convert to fraction form
    21,352.98/29,466.81 = 11,792.94/x
  3. Step 3: Cross multiply
    21,352.98x = 29,466.81 × 11,792.94
  4. Step 4: Simplify right side
    21,352.98x = 347,500,322.32
  5. Step 5: Solve for x
    x = 347,500,322.32/21,352.98
  6. Step 6: Final answer
    x = 16,274.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.