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Finding the Fourth Proportional to 54,701, 75,487.38 and 29,550.50

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Solution

The fourth proportional to 54,701, 75,487.38 and 29,550.50 is: 40,779.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,701 : 75,487.38 = 29,550.50 : x
  2. Step 2: Convert to fraction form
    54,701/75,487.38 = 29,550.50/x
  3. Step 3: Cross multiply
    54,701x = 75,487.38 × 29,550.50
  4. Step 4: Simplify right side
    54,701x = 2,230,689,822.69
  5. Step 5: Solve for x
    x = 2,230,689,822.69/54,701
  6. Step 6: Final answer
    x = 40,779.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.