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Finding the Fourth Proportional to 5,056.92, 7,586.02 and 1,978.52

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Solution

The fourth proportional to 5,056.92, 7,586.02 and 1,978.52 is: 2,968.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,056.92 : 7,586.02 = 1,978.52 : x
  2. Step 2: Convert to fraction form
    5,056.92/7,586.02 = 1,978.52/x
  3. Step 3: Cross multiply
    5,056.92x = 7,586.02 × 1,978.52
  4. Step 4: Simplify right side
    5,056.92x = 15,009,092.29
  5. Step 5: Solve for x
    x = 15,009,092.29/5,056.92
  6. Step 6: Final answer
    x = 2,968.03

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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.