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Finding the Fourth Proportional to 46,132.70, 63,667.82 and 28,239.53

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Solution

The fourth proportional to 46,132.70, 63,667.82 and 28,239.53 is: 38,973.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,132.70 : 63,667.82 = 28,239.53 : x
  2. Step 2: Convert to fraction form
    46,132.70/63,667.82 = 28,239.53/x
  3. Step 3: Cross multiply
    46,132.70x = 63,667.82 × 28,239.53
  4. Step 4: Simplify right side
    46,132.70x = 1,797,949,065.18
  5. Step 5: Solve for x
    x = 1,797,949,065.18/46,132.70
  6. Step 6: Final answer
    x = 38,973.42

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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.