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Finding the Fourth Proportional to 5,359.81, 8,040.62 and 1,848.86

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Solution

The fourth proportional to 5,359.81, 8,040.62 and 1,848.86 is: 2,773.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.81 : 8,040.62 = 1,848.86 : x
  2. Step 2: Convert to fraction form
    5,359.81/8,040.62 = 1,848.86/x
  3. Step 3: Cross multiply
    5,359.81x = 8,040.62 × 1,848.86
  4. Step 4: Simplify right side
    5,359.81x = 14,865,980.69
  5. Step 5: Solve for x
    x = 14,865,980.69/5,359.81
  6. Step 6: Final answer
    x = 2,773.60

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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.