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Finding the Fourth Proportional to 17,805.69, 26,689.70 and 6,707.58

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Solution

The fourth proportional to 17,805.69, 26,689.70 and 6,707.58 is: 10,054.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,805.69 : 26,689.70 = 6,707.58 : x
  2. Step 2: Convert to fraction form
    17,805.69/26,689.70 = 6,707.58/x
  3. Step 3: Cross multiply
    17,805.69x = 26,689.70 × 6,707.58
  4. Step 4: Simplify right side
    17,805.69x = 179,023,314.69
  5. Step 5: Solve for x
    x = 179,023,314.69/17,805.69
  6. Step 6: Final answer
    x = 10,054.28

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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.