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Finding the Fourth Proportional to 8,700, 13,050.48 and 2,544.48

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Solution

The fourth proportional to 8,700, 13,050.48 and 2,544.48 is: 3,816.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700 : 13,050.48 = 2,544.48 : x
  2. Step 2: Convert to fraction form
    8,700/13,050.48 = 2,544.48/x
  3. Step 3: Cross multiply
    8,700x = 13,050.48 × 2,544.48
  4. Step 4: Simplify right side
    8,700x = 33,206,685.35
  5. Step 5: Solve for x
    x = 33,206,685.35/8,700
  6. Step 6: Final answer
    x = 3,816.86

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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.