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Finding the Fourth Proportional to 30,592.53, 45,905.51 and 11,873.31

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Solution

The fourth proportional to 30,592.53, 45,905.51 and 11,873.31 is: 17,816.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,592.53 : 45,905.51 = 11,873.31 : x
  2. Step 2: Convert to fraction form
    30,592.53/45,905.51 = 11,873.31/x
  3. Step 3: Cross multiply
    30,592.53x = 45,905.51 × 11,873.31
  4. Step 4: Simplify right side
    30,592.53x = 545,050,350.94
  5. Step 5: Solve for x
    x = 545,050,350.94/30,592.53
  6. Step 6: Final answer
    x = 17,816.45

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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.