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Finding the Fourth Proportional to 7,090.83, 9,798.83 and 5,319.36

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Solution

The fourth proportional to 7,090.83, 9,798.83 and 5,319.36 is: 7,350.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.83 : 9,798.83 = 5,319.36 : x
  2. Step 2: Convert to fraction form
    7,090.83/9,798.83 = 5,319.36/x
  3. Step 3: Cross multiply
    7,090.83x = 9,798.83 × 5,319.36
  4. Step 4: Simplify right side
    7,090.83x = 52,123,504.35
  5. Step 5: Solve for x
    x = 52,123,504.35/7,090.83
  6. Step 6: Final answer
    x = 7,350.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.