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Finding the Fourth Proportional to 25,127.50, 37,693.83 and 6,659.50

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Solution

The fourth proportional to 25,127.50, 37,693.83 and 6,659.50 is: 9,989.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,127.50 : 37,693.83 = 6,659.50 : x
  2. Step 2: Convert to fraction form
    25,127.50/37,693.83 = 6,659.50/x
  3. Step 3: Cross multiply
    25,127.50x = 37,693.83 × 6,659.50
  4. Step 4: Simplify right side
    25,127.50x = 251,022,060.89
  5. Step 5: Solve for x
    x = 251,022,060.89/25,127.50
  6. Step 6: Final answer
    x = 9,989.93

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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.