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Finding the Fourth Proportional to 4,731.76, 7,084.25 and 2,505.53

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Solution

The fourth proportional to 4,731.76, 7,084.25 and 2,505.53 is: 3,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,731.76 : 7,084.25 = 2,505.53 : x
  2. Step 2: Convert to fraction form
    4,731.76/7,084.25 = 2,505.53/x
  3. Step 3: Cross multiply
    4,731.76x = 7,084.25 × 2,505.53
  4. Step 4: Simplify right side
    4,731.76x = 17,749,752.95
  5. Step 5: Solve for x
    x = 17,749,752.95/4,731.76
  6. Step 6: Final answer
    x = 3,751.20

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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.