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Finding the Fourth Proportional to 28,977,961.40, 43,372,463.70 and 28,977,961.40

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Solution

The fourth proportional to 28,977,961.40, 43,372,463.70 and 28,977,961.40 is: 43,372,463.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977,961.40 : 43,372,463.70 = 28,977,961.40 : x
  2. Step 2: Convert to fraction form
    28,977,961.40/43,372,463.70 = 28,977,961.40/x
  3. Step 3: Cross multiply
    28,977,961.40x = 43,372,463.70 × 28,977,961.40
  4. Step 4: Simplify right side
    28,977,961.40x = 1,256,845,578,921,501.25
  5. Step 5: Solve for x
    x = 1,256,845,578,921,501.25/28,977,961.40
  6. Step 6: Final answer
    x = 43,372,463.70

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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.