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Finding the Fourth Proportional to 63,857.94, 95,688.48 and 28,313.72

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Solution

The fourth proportional to 63,857.94, 95,688.48 and 28,313.72 is: 42,426.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,857.94 : 95,688.48 = 28,313.72 : x
  2. Step 2: Convert to fraction form
    63,857.94/95,688.48 = 28,313.72/x
  3. Step 3: Cross multiply
    63,857.94x = 95,688.48 × 28,313.72
  4. Step 4: Simplify right side
    63,857.94x = 2,709,296,351.50
  5. Step 5: Solve for x
    x = 2,709,296,351.50/63,857.94
  6. Step 6: Final answer
    x = 42,426.93

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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.