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Finding the Fourth Proportional to 71,630.51, 107,408.69 and 32,153.63

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Solution

The fourth proportional to 71,630.51, 107,408.69 and 32,153.63 is: 48,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,630.51 : 107,408.69 = 32,153.63 : x
  2. Step 2: Convert to fraction form
    71,630.51/107,408.69 = 32,153.63/x
  3. Step 3: Cross multiply
    71,630.51x = 107,408.69 × 32,153.63
  4. Step 4: Simplify right side
    71,630.51x = 3,453,579,116.28
  5. Step 5: Solve for x
    x = 3,453,579,116.28/71,630.51
  6. Step 6: Final answer
    x = 48,213.80

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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.