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Finding the Fourth Proportional to 17,486.01, 26,236.20 and 12,829.77

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Solution

The fourth proportional to 17,486.01, 26,236.20 and 12,829.77 is: 19,249.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,486.01 : 26,236.20 = 12,829.77 : x
  2. Step 2: Convert to fraction form
    17,486.01/26,236.20 = 12,829.77/x
  3. Step 3: Cross multiply
    17,486.01x = 26,236.20 × 12,829.77
  4. Step 4: Simplify right side
    17,486.01x = 336,604,411.67
  5. Step 5: Solve for x
    x = 336,604,411.67/17,486.01
  6. Step 6: Final answer
    x = 19,249.93

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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.