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Finding the Fourth Proportional to 5,915.99, 8,863.53 and 5,272.44

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Solution

The fourth proportional to 5,915.99, 8,863.53 and 5,272.44 is: 7,899.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.99 : 8,863.53 = 5,272.44 : x
  2. Step 2: Convert to fraction form
    5,915.99/8,863.53 = 5,272.44/x
  3. Step 3: Cross multiply
    5,915.99x = 8,863.53 × 5,272.44
  4. Step 4: Simplify right side
    5,915.99x = 46,732,430.11
  5. Step 5: Solve for x
    x = 46,732,430.11/5,915.99
  6. Step 6: Final answer
    x = 7,899.35

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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.