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Finding the Fourth Proportional to 5,915.51, 8,866.37 and 4,449.95

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Solution

The fourth proportional to 5,915.51, 8,866.37 and 4,449.95 is: 6,669.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.51 : 8,866.37 = 4,449.95 : x
  2. Step 2: Convert to fraction form
    5,915.51/8,866.37 = 4,449.95/x
  3. Step 3: Cross multiply
    5,915.51x = 8,866.37 × 4,449.95
  4. Step 4: Simplify right side
    5,915.51x = 39,454,880.93
  5. Step 5: Solve for x
    x = 39,454,880.93/5,915.51
  6. Step 6: Final answer
    x = 6,669.73

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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.