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Finding the Fourth Proportional to 48,787.79, 67,319.71 and 27,559.31

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Solution

The fourth proportional to 48,787.79, 67,319.71 and 27,559.31 is: 38,027.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,787.79 : 67,319.71 = 27,559.31 : x
  2. Step 2: Convert to fraction form
    48,787.79/67,319.71 = 27,559.31/x
  3. Step 3: Cross multiply
    48,787.79x = 67,319.71 × 27,559.31
  4. Step 4: Simplify right side
    48,787.79x = 1,855,284,351.50
  5. Step 5: Solve for x
    x = 1,855,284,351.50/48,787.79
  6. Step 6: Final answer
    x = 38,027.64

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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.