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Finding the Fourth Proportional to 26,602.89, 39,898.73 and 7,883.09

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Solution

The fourth proportional to 26,602.89, 39,898.73 and 7,883.09 is: 11,822.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,602.89 : 39,898.73 = 7,883.09 : x
  2. Step 2: Convert to fraction form
    26,602.89/39,898.73 = 7,883.09/x
  3. Step 3: Cross multiply
    26,602.89x = 39,898.73 × 7,883.09
  4. Step 4: Simplify right side
    26,602.89x = 314,525,279.48
  5. Step 5: Solve for x
    x = 314,525,279.48/26,602.89
  6. Step 6: Final answer
    x = 11,822.97

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1.5x scale

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.