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Finding the Fourth Proportional to 17,968.91, 26,967.48 and 12,461.01

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Solution

The fourth proportional to 17,968.91, 26,967.48 and 12,461.01 is: 18,701.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,968.91 : 26,967.48 = 12,461.01 : x
  2. Step 2: Convert to fraction form
    17,968.91/26,967.48 = 12,461.01/x
  3. Step 3: Cross multiply
    17,968.91x = 26,967.48 × 12,461.01
  4. Step 4: Simplify right side
    17,968.91x = 336,042,037.95
  5. Step 5: Solve for x
    x = 336,042,037.95/17,968.91
  6. Step 6: Final answer
    x = 18,701.31

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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.