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Finding the Fourth Proportional to 9,751.76, 14,627.88 and 3,177.68

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Solution

The fourth proportional to 9,751.76, 14,627.88 and 3,177.68 is: 4,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,751.76 : 14,627.88 = 3,177.68 : x
  2. Step 2: Convert to fraction form
    9,751.76/14,627.88 = 3,177.68/x
  3. Step 3: Cross multiply
    9,751.76x = 14,627.88 × 3,177.68
  4. Step 4: Simplify right side
    9,751.76x = 46,482,721.72
  5. Step 5: Solve for x
    x = 46,482,721.72/9,751.76
  6. Step 6: Final answer
    x = 4,766.60

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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.