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Finding the Fourth Proportional to 46,659, 64,389.42 and 29,892

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Solution

The fourth proportional to 46,659, 64,389.42 and 29,892 is: 41,250.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,659 : 64,389.42 = 29,892 : x
  2. Step 2: Convert to fraction form
    46,659/64,389.42 = 29,892/x
  3. Step 3: Cross multiply
    46,659x = 64,389.42 × 29,892
  4. Step 4: Simplify right side
    46,659x = 1,924,728,542.64
  5. Step 5: Solve for x
    x = 1,924,728,542.64/46,659
  6. Step 6: Final answer
    x = 41,250.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.