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Finding the Fourth Proportional to 25,049.37, 37,549.09 and 12,531.18

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Solution

The fourth proportional to 25,049.37, 37,549.09 and 12,531.18 is: 18,784.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,049.37 : 37,549.09 = 12,531.18 : x
  2. Step 2: Convert to fraction form
    25,049.37/37,549.09 = 12,531.18/x
  3. Step 3: Cross multiply
    25,049.37x = 37,549.09 × 12,531.18
  4. Step 4: Simplify right side
    25,049.37x = 470,534,342.97
  5. Step 5: Solve for x
    x = 470,534,342.97/25,049.37
  6. Step 6: Final answer
    x = 18,784.28

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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.