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Finding the Fourth Proportional to 17,907.70, 26,842.35 and 6,810.10

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Solution

The fourth proportional to 17,907.70, 26,842.35 and 6,810.10 is: 10,207.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,907.70 : 26,842.35 = 6,810.10 : x
  2. Step 2: Convert to fraction form
    17,907.70/26,842.35 = 6,810.10/x
  3. Step 3: Cross multiply
    17,907.70x = 26,842.35 × 6,810.10
  4. Step 4: Simplify right side
    17,907.70x = 182,799,087.74
  5. Step 5: Solve for x
    x = 182,799,087.74/17,907.70
  6. Step 6: Final answer
    x = 10,207.85

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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.