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Finding the Fourth Proportional to 63,674.04, 95,478.24 and 28,583.64

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Solution

The fourth proportional to 63,674.04, 95,478.24 and 28,583.64 is: 42,860.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,674.04 : 95,478.24 = 28,583.64 : x
  2. Step 2: Convert to fraction form
    63,674.04/95,478.24 = 28,583.64/x
  3. Step 3: Cross multiply
    63,674.04x = 95,478.24 × 28,583.64
  4. Step 4: Simplify right side
    63,674.04x = 2,729,115,639.99
  5. Step 5: Solve for x
    x = 2,729,115,639.99/63,674.04
  6. Step 6: Final answer
    x = 42,860.73

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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.