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Finding the Fourth Proportional to 28,757,978.10, 43,136,967.15 and 22,333,446.90

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Solution

The fourth proportional to 28,757,978.10, 43,136,967.15 and 22,333,446.90 is: 33,500,170.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,757,978.10 : 43,136,967.15 = 22,333,446.90 : x
  2. Step 2: Convert to fraction form
    28,757,978.10/43,136,967.15 = 22,333,446.90/x
  3. Step 3: Cross multiply
    28,757,978.10x = 43,136,967.15 × 22,333,446.90
  4. Step 4: Simplify right side
    28,757,978.10x = 963,397,165,271,569.25
  5. Step 5: Solve for x
    x = 963,397,165,271,569.25/28,757,978.10
  6. Step 6: Final answer
    x = 33,500,170.35

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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.