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Finding the Fourth Proportional to 29,771,710.80, 44,657,566.20 and 28,511,998.80

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Solution

The fourth proportional to 29,771,710.80, 44,657,566.20 and 28,511,998.80 is: 42,767,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,771,710.80 : 44,657,566.20 = 28,511,998.80 : x
  2. Step 2: Convert to fraction form
    29,771,710.80/44,657,566.20 = 28,511,998.80/x
  3. Step 3: Cross multiply
    29,771,710.80x = 44,657,566.20 × 28,511,998.80
  4. Step 4: Simplify right side
    29,771,710.80x = 1,273,276,473,905,320.75
  5. Step 5: Solve for x
    x = 1,273,276,473,905,320.75/29,771,710.80
  6. Step 6: Final answer
    x = 42,767,998.20

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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.