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Finding the Fourth Proportional to 56,902.72, 85,392.16 and 23,622.80

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Solution

The fourth proportional to 56,902.72, 85,392.16 and 23,622.80 is: 35,450.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,902.72 : 85,392.16 = 23,622.80 : x
  2. Step 2: Convert to fraction form
    56,902.72/85,392.16 = 23,622.80/x
  3. Step 3: Cross multiply
    56,902.72x = 85,392.16 × 23,622.80
  4. Step 4: Simplify right side
    56,902.72x = 2,017,201,917.25
  5. Step 5: Solve for x
    x = 2,017,201,917.25/56,902.72
  6. Step 6: Final answer
    x = 35,450.01

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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.