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Finding the Fourth Proportional to 29,673,011.80, 44,509,517.70 and 20,585,370.70

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Solution

The fourth proportional to 29,673,011.80, 44,509,517.70 and 20,585,370.70 is: 30,878,056.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,673,011.80 : 44,509,517.70 = 20,585,370.70 : x
  2. Step 2: Convert to fraction form
    29,673,011.80/44,509,517.70 = 20,585,370.70/x
  3. Step 3: Cross multiply
    29,673,011.80x = 44,509,517.70 × 20,585,370.70
  4. Step 4: Simplify right side
    29,673,011.80x = 916,244,921,532,711.38
  5. Step 5: Solve for x
    x = 916,244,921,532,711.38/29,673,011.80
  6. Step 6: Final answer
    x = 30,878,056.05

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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.