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Finding the Fourth Proportional to 56,973.92, 78,623.93 and 34,326

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Solution

The fourth proportional to 56,973.92, 78,623.93 and 34,326 is: 47,369.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,973.92 : 78,623.93 = 34,326 : x
  2. Step 2: Convert to fraction form
    56,973.92/78,623.93 = 34,326/x
  3. Step 3: Cross multiply
    56,973.92x = 78,623.93 × 34,326
  4. Step 4: Simplify right side
    56,973.92x = 2,698,845,107.00
  5. Step 5: Solve for x
    x = 2,698,845,107.00/56,973.92
  6. Step 6: Final answer
    x = 47,369.84

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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.