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Finding the Fourth Proportional to 5,967.95, 8,235.95 and 3,315.60

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Solution

The fourth proportional to 5,967.95, 8,235.95 and 3,315.60 is: 4,575.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,967.95 : 8,235.95 = 3,315.60 : x
  2. Step 2: Convert to fraction form
    5,967.95/8,235.95 = 3,315.60/x
  3. Step 3: Cross multiply
    5,967.95x = 8,235.95 × 3,315.60
  4. Step 4: Simplify right side
    5,967.95x = 27,307,099.24
  5. Step 5: Solve for x
    x = 27,307,099.24/5,967.95
  6. Step 6: Final answer
    x = 4,575.63

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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.