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Finding the Fourth Proportional to 6,693.89, 10,039.97 and 1,763.90

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Solution

The fourth proportional to 6,693.89, 10,039.97 and 1,763.90 is: 2,645.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,693.89 : 10,039.97 = 1,763.90 : x
  2. Step 2: Convert to fraction form
    6,693.89/10,039.97 = 1,763.90/x
  3. Step 3: Cross multiply
    6,693.89x = 10,039.97 × 1,763.90
  4. Step 4: Simplify right side
    6,693.89x = 17,709,444.06
  5. Step 5: Solve for x
    x = 17,709,444.06/6,693.89
  6. Step 6: Final answer
    x = 2,645.62

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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.