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Finding the Fourth Proportional to 53,512.55, 80,199.05 and 29,819.10

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Solution

The fourth proportional to 53,512.55, 80,199.05 and 29,819.10 is: 44,689.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,512.55 : 80,199.05 = 29,819.10 : x
  2. Step 2: Convert to fraction form
    53,512.55/80,199.05 = 29,819.10/x
  3. Step 3: Cross multiply
    53,512.55x = 80,199.05 × 29,819.10
  4. Step 4: Simplify right side
    53,512.55x = 2,391,463,342.76
  5. Step 5: Solve for x
    x = 2,391,463,342.76/53,512.55
  6. Step 6: Final answer
    x = 44,689.77

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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.