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Finding the Fourth Proportional to 5,897.64, 8,846.79 and 1,515.15

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Solution

The fourth proportional to 5,897.64, 8,846.79 and 1,515.15 is: 2,272.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,897.64 : 8,846.79 = 1,515.15 : x
  2. Step 2: Convert to fraction form
    5,897.64/8,846.79 = 1,515.15/x
  3. Step 3: Cross multiply
    5,897.64x = 8,846.79 × 1,515.15
  4. Step 4: Simplify right side
    5,897.64x = 13,404,213.87
  5. Step 5: Solve for x
    x = 13,404,213.87/5,897.64
  6. Step 6: Final answer
    x = 2,272.81

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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.