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Finding the Fourth Proportional to 5,308.42, 7,959.90 and 2,384.23

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Solution

The fourth proportional to 5,308.42, 7,959.90 and 2,384.23 is: 3,575.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.42 : 7,959.90 = 2,384.23 : x
  2. Step 2: Convert to fraction form
    5,308.42/7,959.90 = 2,384.23/x
  3. Step 3: Cross multiply
    5,308.42x = 7,959.90 × 2,384.23
  4. Step 4: Simplify right side
    5,308.42x = 18,978,232.38
  5. Step 5: Solve for x
    x = 18,978,232.38/5,308.42
  6. Step 6: Final answer
    x = 3,575.12

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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.