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Finding the Fourth Proportional to 29,339,978.70, 44,009,968.05 and 28,096,013.10

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Solution

The fourth proportional to 29,339,978.70, 44,009,968.05 and 28,096,013.10 is: 42,144,019.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,339,978.70 : 44,009,968.05 = 28,096,013.10 : x
  2. Step 2: Convert to fraction form
    29,339,978.70/44,009,968.05 = 28,096,013.10/x
  3. Step 3: Cross multiply
    29,339,978.70x = 44,009,968.05 × 28,096,013.10
  4. Step 4: Simplify right side
    29,339,978.70x = 1,236,504,638,863,381.50
  5. Step 5: Solve for x
    x = 1,236,504,638,863,381.50/29,339,978.70
  6. Step 6: Final answer
    x = 42,144,019.65

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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.