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Finding the Fourth Proportional to 26,652.35, 39,973.68 and 6,929.68

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Solution

The fourth proportional to 26,652.35, 39,973.68 and 6,929.68 is: 10,393.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,652.35 : 39,973.68 = 6,929.68 : x
  2. Step 2: Convert to fraction form
    26,652.35/39,973.68 = 6,929.68/x
  3. Step 3: Cross multiply
    26,652.35x = 39,973.68 × 6,929.68
  4. Step 4: Simplify right side
    26,652.35x = 277,004,710.89
  5. Step 5: Solve for x
    x = 277,004,710.89/26,652.35
  6. Step 6: Final answer
    x = 10,393.26

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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.