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Finding the Fourth Proportional to 7,377.63, 11,056.88 and 2,992.70

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Solution

The fourth proportional to 7,377.63, 11,056.88 and 2,992.70 is: 4,485.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.63 : 11,056.88 = 2,992.70 : x
  2. Step 2: Convert to fraction form
    7,377.63/11,056.88 = 2,992.70/x
  3. Step 3: Cross multiply
    7,377.63x = 11,056.88 × 2,992.70
  4. Step 4: Simplify right side
    7,377.63x = 33,089,854.53
  5. Step 5: Solve for x
    x = 33,089,854.53/7,377.63
  6. Step 6: Final answer
    x = 4,485.16

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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.