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Finding the Fourth Proportional to 58,172.10, 80,285.07 and 35,506.38

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Solution

The fourth proportional to 58,172.10, 80,285.07 and 35,506.38 is: 49,003.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,172.10 : 80,285.07 = 35,506.38 : x
  2. Step 2: Convert to fraction form
    58,172.10/80,285.07 = 35,506.38/x
  3. Step 3: Cross multiply
    58,172.10x = 80,285.07 × 35,506.38
  4. Step 4: Simplify right side
    58,172.10x = 2,850,632,203.75
  5. Step 5: Solve for x
    x = 2,850,632,203.75/58,172.10
  6. Step 6: Final answer
    x = 49,003.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.