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Finding the Fourth Proportional to 45,689.94, 68,437.71 and 25,958.34

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Solution

The fourth proportional to 45,689.94, 68,437.71 and 25,958.34 is: 38,882.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,689.94 : 68,437.71 = 25,958.34 : x
  2. Step 2: Convert to fraction form
    45,689.94/68,437.71 = 25,958.34/x
  3. Step 3: Cross multiply
    45,689.94x = 68,437.71 × 25,958.34
  4. Step 4: Simplify right side
    45,689.94x = 1,776,529,345.00
  5. Step 5: Solve for x
    x = 1,776,529,345.00/45,689.94
  6. Step 6: Final answer
    x = 38,882.29

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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.