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Finding the Fourth Proportional to 30,580.68, 45,871.56 and 10,845.48

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Solution

The fourth proportional to 30,580.68, 45,871.56 and 10,845.48 is: 16,268.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,580.68 : 45,871.56 = 10,845.48 : x
  2. Step 2: Convert to fraction form
    30,580.68/45,871.56 = 10,845.48/x
  3. Step 3: Cross multiply
    30,580.68x = 45,871.56 × 10,845.48
  4. Step 4: Simplify right side
    30,580.68x = 497,499,086.55
  5. Step 5: Solve for x
    x = 497,499,086.55/30,580.68
  6. Step 6: Final answer
    x = 16,268.41

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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.