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Finding the Fourth Proportional to 46,679.29, 69,956.40 and 43,689.94

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Solution

The fourth proportional to 46,679.29, 69,956.40 and 43,689.94 is: 65,476.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,679.29 : 69,956.40 = 43,689.94 : x
  2. Step 2: Convert to fraction form
    46,679.29/69,956.40 = 43,689.94/x
  3. Step 3: Cross multiply
    46,679.29x = 69,956.40 × 43,689.94
  4. Step 4: Simplify right side
    46,679.29x = 3,056,390,918.62
  5. Step 5: Solve for x
    x = 3,056,390,918.62/46,679.29
  6. Step 6: Final answer
    x = 65,476.38

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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.