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Finding the Fourth Proportional to 7,303.77, 10,939.25 and 7,057.73

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Solution

The fourth proportional to 7,303.77, 10,939.25 and 7,057.73 is: 10,570.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,303.77 : 10,939.25 = 7,057.73 : x
  2. Step 2: Convert to fraction form
    7,303.77/10,939.25 = 7,057.73/x
  3. Step 3: Cross multiply
    7,303.77x = 10,939.25 × 7,057.73
  4. Step 4: Simplify right side
    7,303.77x = 77,206,317.89
  5. Step 5: Solve for x
    x = 77,206,317.89/7,303.77
  6. Step 6: Final answer
    x = 10,570.75

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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.