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Finding the Fourth Proportional to 79,495.58, 119,248.89 and 26,887.28

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Solution

The fourth proportional to 79,495.58, 119,248.89 and 26,887.28 is: 40,332.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,495.58 : 119,248.89 = 26,887.28 : x
  2. Step 2: Convert to fraction form
    79,495.58/119,248.89 = 26,887.28/x
  3. Step 3: Cross multiply
    79,495.58x = 119,248.89 × 26,887.28
  4. Step 4: Simplify right side
    79,495.58x = 3,206,278,295.12
  5. Step 5: Solve for x
    x = 3,206,278,295.12/79,495.58
  6. Step 6: Final answer
    x = 40,332.79

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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.