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Finding the Fourth Proportional to 35,672.87, 53,509.82 and 16,954.79

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Solution

The fourth proportional to 35,672.87, 53,509.82 and 16,954.79 is: 25,432.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,672.87 : 53,509.82 = 16,954.79 : x
  2. Step 2: Convert to fraction form
    35,672.87/53,509.82 = 16,954.79/x
  3. Step 3: Cross multiply
    35,672.87x = 53,509.82 × 16,954.79
  4. Step 4: Simplify right side
    35,672.87x = 907,247,408.71
  5. Step 5: Solve for x
    x = 907,247,408.71/35,672.87
  6. Step 6: Final answer
    x = 25,432.42

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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.