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Finding the Fourth Proportional to 17,354.51, 26,028.49 and 8,460.91

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Solution

The fourth proportional to 17,354.51, 26,028.49 and 8,460.91 is: 12,689.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,354.51 : 26,028.49 = 8,460.91 : x
  2. Step 2: Convert to fraction form
    17,354.51/26,028.49 = 8,460.91/x
  3. Step 3: Cross multiply
    17,354.51x = 26,028.49 × 8,460.91
  4. Step 4: Simplify right side
    17,354.51x = 220,224,711.33
  5. Step 5: Solve for x
    x = 220,224,711.33/17,354.51
  6. Step 6: Final answer
    x = 12,689.77

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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.