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Finding the Fourth Proportional to 74,573.92, 112,016.40 and 43,469.92

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Solution

The fourth proportional to 74,573.92, 112,016.40 and 43,469.92 is: 65,295.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,573.92 : 112,016.40 = 43,469.92 : x
  2. Step 2: Convert to fraction form
    74,573.92/112,016.40 = 43,469.92/x
  3. Step 3: Cross multiply
    74,573.92x = 112,016.40 × 43,469.92
  4. Step 4: Simplify right side
    74,573.92x = 4,869,343,946.69
  5. Step 5: Solve for x
    x = 4,869,343,946.69/74,573.92
  6. Step 6: Final answer
    x = 65,295.53

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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.