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Finding the Fourth Proportional to 7,090.95, 9,799.02 and 5,319.48

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Solution

The fourth proportional to 7,090.95, 9,799.02 and 5,319.48 is: 7,351.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.95 : 9,799.02 = 5,319.48 : x
  2. Step 2: Convert to fraction form
    7,090.95/9,799.02 = 5,319.48/x
  3. Step 3: Cross multiply
    7,090.95x = 9,799.02 × 5,319.48
  4. Step 4: Simplify right side
    7,090.95x = 52,125,690.91
  5. Step 5: Solve for x
    x = 52,125,690.91/7,090.95
  6. Step 6: Final answer
    x = 7,351.02

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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.