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Finding the Fourth Proportional to 5,927.64, 8,217.59 and 5,611.62

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Solution

The fourth proportional to 5,927.64, 8,217.59 and 5,611.62 is: 7,779.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,927.64 : 8,217.59 = 5,611.62 : x
  2. Step 2: Convert to fraction form
    5,927.64/8,217.59 = 5,611.62/x
  3. Step 3: Cross multiply
    5,927.64x = 8,217.59 × 5,611.62
  4. Step 4: Simplify right side
    5,927.64x = 46,113,992.40
  5. Step 5: Solve for x
    x = 46,113,992.40/5,927.64
  6. Step 6: Final answer
    x = 7,779.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.