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Finding the Fourth Proportional to 82,971.94, 124,458.57 and 33,064.74

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Solution

The fourth proportional to 82,971.94, 124,458.57 and 33,064.74 is: 49,597.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,971.94 : 124,458.57 = 33,064.74 : x
  2. Step 2: Convert to fraction form
    82,971.94/124,458.57 = 33,064.74/x
  3. Step 3: Cross multiply
    82,971.94x = 124,458.57 × 33,064.74
  4. Step 4: Simplify right side
    82,971.94x = 4,115,190,257.82
  5. Step 5: Solve for x
    x = 4,115,190,257.82/82,971.94
  6. Step 6: Final answer
    x = 49,597.37

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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.