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Finding the Fourth Proportional to 16,425.53, 24,638.75 and 4,738.75

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Solution

The fourth proportional to 16,425.53, 24,638.75 and 4,738.75 is: 7,108.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,425.53 : 24,638.75 = 4,738.75 : x
  2. Step 2: Convert to fraction form
    16,425.53/24,638.75 = 4,738.75/x
  3. Step 3: Cross multiply
    16,425.53x = 24,638.75 × 4,738.75
  4. Step 4: Simplify right side
    16,425.53x = 116,756,888.41
  5. Step 5: Solve for x
    x = 116,756,888.41/16,425.53
  6. Step 6: Final answer
    x = 7,108.26

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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.