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Finding the Fourth Proportional to 7,300.58, 10,955.04 and 2,858.62

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Solution

The fourth proportional to 7,300.58, 10,955.04 and 2,858.62 is: 4,289.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,300.58 : 10,955.04 = 2,858.62 : x
  2. Step 2: Convert to fraction form
    7,300.58/10,955.04 = 2,858.62/x
  3. Step 3: Cross multiply
    7,300.58x = 10,955.04 × 2,858.62
  4. Step 4: Simplify right side
    7,300.58x = 31,316,241.67
  5. Step 5: Solve for x
    x = 31,316,241.67/7,300.58
  6. Step 6: Final answer
    x = 4,289.56

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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.