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Finding the Fourth Proportional to 24,855.48, 37,254.96 and 12,990.96

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Solution

The fourth proportional to 24,855.48, 37,254.96 and 12,990.96 is: 19,471.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,855.48 : 37,254.96 = 12,990.96 : x
  2. Step 2: Convert to fraction form
    24,855.48/37,254.96 = 12,990.96/x
  3. Step 3: Cross multiply
    24,855.48x = 37,254.96 × 12,990.96
  4. Step 4: Simplify right side
    24,855.48x = 483,977,695.16
  5. Step 5: Solve for x
    x = 483,977,695.16/24,855.48
  6. Step 6: Final answer
    x = 19,471.67

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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.