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Finding the Fourth Proportional to 21,596.88, 29,804.04 and 12,037.56

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Solution

The fourth proportional to 21,596.88, 29,804.04 and 12,037.56 is: 16,612.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,596.88 : 29,804.04 = 12,037.56 : x
  2. Step 2: Convert to fraction form
    21,596.88/29,804.04 = 12,037.56/x
  3. Step 3: Cross multiply
    21,596.88x = 29,804.04 × 12,037.56
  4. Step 4: Simplify right side
    21,596.88x = 358,767,919.74
  5. Step 5: Solve for x
    x = 358,767,919.74/21,596.88
  6. Step 6: Final answer
    x = 16,612.03

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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.