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Finding the Fourth Proportional to 74,794.69, 112,233.94 and 39,733.44

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Solution

The fourth proportional to 74,794.69, 112,233.94 and 39,733.44 is: 59,622.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,794.69 : 112,233.94 = 39,733.44 : x
  2. Step 2: Convert to fraction form
    74,794.69/112,233.94 = 39,733.44/x
  3. Step 3: Cross multiply
    74,794.69x = 112,233.94 × 39,733.44
  4. Step 4: Simplify right side
    74,794.69x = 4,459,440,000.74
  5. Step 5: Solve for x
    x = 4,459,440,000.74/74,794.69
  6. Step 6: Final answer
    x = 59,622.41

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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.