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Finding the Fourth Proportional to 24,885.88, 37,309.08 and 12,399.10

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Solution

The fourth proportional to 24,885.88, 37,309.08 and 12,399.10 is: 18,588.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,885.88 : 37,309.08 = 12,399.10 : x
  2. Step 2: Convert to fraction form
    24,885.88/37,309.08 = 12,399.10/x
  3. Step 3: Cross multiply
    24,885.88x = 37,309.08 × 12,399.10
  4. Step 4: Simplify right side
    24,885.88x = 462,599,013.83
  5. Step 5: Solve for x
    x = 462,599,013.83/24,885.88
  6. Step 6: Final answer
    x = 18,588.81

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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.