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Finding the Fourth Proportional to 38,363.88, 52,938.36 and 28,297.74

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Solution

The fourth proportional to 38,363.88, 52,938.36 and 28,297.74 is: 39,048.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,363.88 : 52,938.36 = 28,297.74 : x
  2. Step 2: Convert to fraction form
    38,363.88/52,938.36 = 28,297.74/x
  3. Step 3: Cross multiply
    38,363.88x = 52,938.36 × 28,297.74
  4. Step 4: Simplify right side
    38,363.88x = 1,498,035,947.31
  5. Step 5: Solve for x
    x = 1,498,035,947.31/38,363.88
  6. Step 6: Final answer
    x = 39,048.08

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