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Finding the Fourth Proportional to 73,672.63, 110,416.44 and 31,503.19

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Solution

The fourth proportional to 73,672.63, 110,416.44 and 31,503.19 is: 47,215.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,672.63 : 110,416.44 = 31,503.19 : x
  2. Step 2: Convert to fraction form
    73,672.63/110,416.44 = 31,503.19/x
  3. Step 3: Cross multiply
    73,672.63x = 110,416.44 × 31,503.19
  4. Step 4: Simplify right side
    73,672.63x = 3,478,470,088.44
  5. Step 5: Solve for x
    x = 3,478,470,088.44/73,672.63
  6. Step 6: Final answer
    x = 47,215.23

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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.