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Finding the Fourth Proportional to 26,663.76, 39,996.04 and 8,894.12

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Solution

The fourth proportional to 26,663.76, 39,996.04 and 8,894.12 is: 13,341.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,663.76 : 39,996.04 = 8,894.12 : x
  2. Step 2: Convert to fraction form
    26,663.76/39,996.04 = 8,894.12/x
  3. Step 3: Cross multiply
    26,663.76x = 39,996.04 × 8,894.12
  4. Step 4: Simplify right side
    26,663.76x = 355,729,579.28
  5. Step 5: Solve for x
    x = 355,729,579.28/26,663.76
  6. Step 6: Final answer
    x = 13,341.31

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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.