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Finding the Fourth Proportional to 15,590.21, 23,393.21 and 6,825.20

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Solution

The fourth proportional to 15,590.21, 23,393.21 and 6,825.20 is: 10,241.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,590.21 : 23,393.21 = 6,825.20 : x
  2. Step 2: Convert to fraction form
    15,590.21/23,393.21 = 6,825.20/x
  3. Step 3: Cross multiply
    15,590.21x = 23,393.21 × 6,825.20
  4. Step 4: Simplify right side
    15,590.21x = 159,663,185.80
  5. Step 5: Solve for x
    x = 159,663,185.80/15,590.21
  6. Step 6: Final answer
    x = 10,241.25

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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.