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Finding the Fourth Proportional to 29,786,752.80, 44,680,129.20 and 18,449,344.80

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Solution

The fourth proportional to 29,786,752.80, 44,680,129.20 and 18,449,344.80 is: 27,674,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,786,752.80 : 44,680,129.20 = 18,449,344.80 : x
  2. Step 2: Convert to fraction form
    29,786,752.80/44,680,129.20 = 18,449,344.80/x
  3. Step 3: Cross multiply
    29,786,752.80x = 44,680,129.20 × 18,449,344.80
  4. Step 4: Simplify right side
    29,786,752.80x = 824,319,109,319,348.25
  5. Step 5: Solve for x
    x = 824,319,109,319,348.25/29,786,752.80
  6. Step 6: Final answer
    x = 27,674,017.20

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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.