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Finding the Fourth Proportional to 34,921.96, 52,381.98 and 8,627.08

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Solution

The fourth proportional to 34,921.96, 52,381.98 and 8,627.08 is: 12,940.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,921.96 : 52,381.98 = 8,627.08 : x
  2. Step 2: Convert to fraction form
    34,921.96/52,381.98 = 8,627.08/x
  3. Step 3: Cross multiply
    34,921.96x = 52,381.98 × 8,627.08
  4. Step 4: Simplify right side
    34,921.96x = 451,903,532.02
  5. Step 5: Solve for x
    x = 451,903,532.02/34,921.96
  6. Step 6: Final answer
    x = 12,940.38

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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.