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Finding the Fourth Proportional to 16,211.58, 24,316.11 and 5,118.60

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Solution

The fourth proportional to 16,211.58, 24,316.11 and 5,118.60 is: 7,677.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,211.58 : 24,316.11 = 5,118.60 : x
  2. Step 2: Convert to fraction form
    16,211.58/24,316.11 = 5,118.60/x
  3. Step 3: Cross multiply
    16,211.58x = 24,316.11 × 5,118.60
  4. Step 4: Simplify right side
    16,211.58x = 124,464,440.65
  5. Step 5: Solve for x
    x = 124,464,440.65/16,211.58
  6. Step 6: Final answer
    x = 7,677.50

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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.