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Finding the Fourth Proportional to 8,598.90, 12,895.69 and 4,153.80

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Solution

The fourth proportional to 8,598.90, 12,895.69 and 4,153.80 is: 6,229.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.90 : 12,895.69 = 4,153.80 : x
  2. Step 2: Convert to fraction form
    8,598.90/12,895.69 = 4,153.80/x
  3. Step 3: Cross multiply
    8,598.90x = 12,895.69 × 4,153.80
  4. Step 4: Simplify right side
    8,598.90x = 53,566,135.99
  5. Step 5: Solve for x
    x = 53,566,135.99/8,598.90
  6. Step 6: Final answer
    x = 6,229.42

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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.