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Finding the Fourth Proportional to 5,673,679.76, 7,829,640.82 and 3,226,290.96

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Solution

The fourth proportional to 5,673,679.76, 7,829,640.82 and 3,226,290.96 is: 4,452,260.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,673,679.76 : 7,829,640.82 = 3,226,290.96 : x
  2. Step 2: Convert to fraction form
    5,673,679.76/7,829,640.82 = 3,226,290.96/x
  3. Step 3: Cross multiply
    5,673,679.76x = 7,829,640.82 × 3,226,290.96
  4. Step 4: Simplify right side
    5,673,679.76x = 25,260,699,397,612.99
  5. Step 5: Solve for x
    x = 25,260,699,397,612.99/5,673,679.76
  6. Step 6: Final answer
    x = 4,452,260.34

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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.