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Finding the Fourth Proportional to 63,659.04, 95,455.76 and 28,568.64

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Solution

The fourth proportional to 63,659.04, 95,455.76 and 28,568.64 is: 42,838.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,659.04 : 95,455.76 = 28,568.64 : x
  2. Step 2: Convert to fraction form
    63,659.04/95,455.76 = 28,568.64/x
  3. Step 3: Cross multiply
    63,659.04x = 95,455.76 × 28,568.64
  4. Step 4: Simplify right side
    63,659.04x = 2,727,041,243.37
  5. Step 5: Solve for x
    x = 2,727,041,243.37/63,659.04
  6. Step 6: Final answer
    x = 42,838.24

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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.