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Finding the Fourth Proportional to 52,437.69, 72,361.44 and 28,562.94

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Solution

The fourth proportional to 52,437.69, 72,361.44 and 28,562.94 is: 39,415.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,437.69 : 72,361.44 = 28,562.94 : x
  2. Step 2: Convert to fraction form
    52,437.69/72,361.44 = 28,562.94/x
  3. Step 3: Cross multiply
    52,437.69x = 72,361.44 × 28,562.94
  4. Step 4: Simplify right side
    52,437.69x = 2,066,855,469.03
  5. Step 5: Solve for x
    x = 2,066,855,469.03/52,437.69
  6. Step 6: Final answer
    x = 39,415.46

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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.