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Finding the Fourth Proportional to 71,058.63, 106,573.24 and 26,684.40

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Solution

The fourth proportional to 71,058.63, 106,573.24 and 26,684.40 is: 40,021.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,058.63 : 106,573.24 = 26,684.40 : x
  2. Step 2: Convert to fraction form
    71,058.63/106,573.24 = 26,684.40/x
  3. Step 3: Cross multiply
    71,058.63x = 106,573.24 × 26,684.40
  4. Step 4: Simplify right side
    71,058.63x = 2,843,842,965.46
  5. Step 5: Solve for x
    x = 2,843,842,965.46/71,058.63
  6. Step 6: Final answer
    x = 40,021.08

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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.