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Finding the Fourth Proportional to 7,003.99, 10,502.88 and 3,716.34

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Solution

The fourth proportional to 7,003.99, 10,502.88 and 3,716.34 is: 5,572.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.99 : 10,502.88 = 3,716.34 : x
  2. Step 2: Convert to fraction form
    7,003.99/10,502.88 = 3,716.34/x
  3. Step 3: Cross multiply
    7,003.99x = 10,502.88 × 3,716.34
  4. Step 4: Simplify right side
    7,003.99x = 39,032,273.06
  5. Step 5: Solve for x
    x = 39,032,273.06/7,003.99
  6. Step 6: Final answer
    x = 5,572.86

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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.