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Finding the Fourth Proportional to 4,573.61, 6,869.60 and 2,728.33

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Solution

The fourth proportional to 4,573.61, 6,869.60 and 2,728.33 is: 4,097.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,573.61 : 6,869.60 = 2,728.33 : x
  2. Step 2: Convert to fraction form
    4,573.61/6,869.60 = 2,728.33/x
  3. Step 3: Cross multiply
    4,573.61x = 6,869.60 × 2,728.33
  4. Step 4: Simplify right side
    4,573.61x = 18,742,501.42
  5. Step 5: Solve for x
    x = 18,742,501.42/4,573.61
  6. Step 6: Final answer
    x = 4,097.97

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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.