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Finding the Fourth Proportional to 79,595.91, 109,842.62 and 43,788.65

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Solution

The fourth proportional to 79,595.91, 109,842.62 and 43,788.65 is: 60,428.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,595.91 : 109,842.62 = 43,788.65 : x
  2. Step 2: Convert to fraction form
    79,595.91/109,842.62 = 43,788.65/x
  3. Step 3: Cross multiply
    79,595.91x = 109,842.62 × 43,788.65
  4. Step 4: Simplify right side
    79,595.91x = 4,809,860,042.26
  5. Step 5: Solve for x
    x = 4,809,860,042.26/79,595.91
  6. Step 6: Final answer
    x = 60,428.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.