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Finding the Fourth Proportional to 35,211.90, 52,817.34 and 8,558.09

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Solution

The fourth proportional to 35,211.90, 52,817.34 and 8,558.09 is: 12,837.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,211.90 : 52,817.34 = 8,558.09 : x
  2. Step 2: Convert to fraction form
    35,211.90/52,817.34 = 8,558.09/x
  3. Step 3: Cross multiply
    35,211.90x = 52,817.34 × 8,558.09
  4. Step 4: Simplify right side
    35,211.90x = 452,015,285.19
  5. Step 5: Solve for x
    x = 452,015,285.19/35,211.90
  6. Step 6: Final answer
    x = 12,837.00

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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.