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Finding the Fourth Proportional to 17,809.71, 26,714.25 and 5,329.77

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Solution

The fourth proportional to 17,809.71, 26,714.25 and 5,329.77 is: 7,994.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,809.71 : 26,714.25 = 5,329.77 : x
  2. Step 2: Convert to fraction form
    17,809.71/26,714.25 = 5,329.77/x
  3. Step 3: Cross multiply
    17,809.71x = 26,714.25 × 5,329.77
  4. Step 4: Simplify right side
    17,809.71x = 142,380,808.22
  5. Step 5: Solve for x
    x = 142,380,808.22/17,809.71
  6. Step 6: Final answer
    x = 7,994.56

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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.