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Finding the Fourth Proportional to 48,131.37, 72,209.37 and 18,541.26

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Solution

The fourth proportional to 48,131.37, 72,209.37 and 18,541.26 is: 27,816.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,131.37 : 72,209.37 = 18,541.26 : x
  2. Step 2: Convert to fraction form
    48,131.37/72,209.37 = 18,541.26/x
  3. Step 3: Cross multiply
    48,131.37x = 72,209.37 × 18,541.26
  4. Step 4: Simplify right side
    48,131.37x = 1,338,852,703.61
  5. Step 5: Solve for x
    x = 1,338,852,703.61/48,131.37
  6. Step 6: Final answer
    x = 27,816.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.