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Finding the Fourth Proportional to 8,596.64, 12,874.21 and 4,887.63

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Solution

The fourth proportional to 8,596.64, 12,874.21 and 4,887.63 is: 7,319.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,596.64 : 12,874.21 = 4,887.63 : x
  2. Step 2: Convert to fraction form
    8,596.64/12,874.21 = 4,887.63/x
  3. Step 3: Cross multiply
    8,596.64x = 12,874.21 × 4,887.63
  4. Step 4: Simplify right side
    8,596.64x = 62,924,362.80
  5. Step 5: Solve for x
    x = 62,924,362.80/8,596.64
  6. Step 6: Final answer
    x = 7,319.64

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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.