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Finding the Fourth Proportional to 17,907.20, 26,852.70 and 6,810.20

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Solution

The fourth proportional to 17,907.20, 26,852.70 and 6,810.20 is: 10,212.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,907.20 : 26,852.70 = 6,810.20 : x
  2. Step 2: Convert to fraction form
    17,907.20/26,852.70 = 6,810.20/x
  3. Step 3: Cross multiply
    17,907.20x = 26,852.70 × 6,810.20
  4. Step 4: Simplify right side
    17,907.20x = 182,872,257.54
  5. Step 5: Solve for x
    x = 182,872,257.54/17,907.20
  6. Step 6: Final answer
    x = 10,212.22

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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.