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Finding the Fourth Proportional to 21,033.64, 29,026.02 and 11,601.64

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Solution

The fourth proportional to 21,033.64, 29,026.02 and 11,601.64 is: 16,010.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033.64 : 29,026.02 = 11,601.64 : x
  2. Step 2: Convert to fraction form
    21,033.64/29,026.02 = 11,601.64/x
  3. Step 3: Cross multiply
    21,033.64x = 29,026.02 × 11,601.64
  4. Step 4: Simplify right side
    21,033.64x = 336,749,434.67
  5. Step 5: Solve for x
    x = 336,749,434.67/21,033.64
  6. Step 6: Final answer
    x = 16,010.04

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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.