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Finding the Fourth Proportional to 24,961.56, 37,438.08 and 8,319.84

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Solution

The fourth proportional to 24,961.56, 37,438.08 and 8,319.84 is: 12,478.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,961.56 : 37,438.08 = 8,319.84 : x
  2. Step 2: Convert to fraction form
    24,961.56/37,438.08 = 8,319.84/x
  3. Step 3: Cross multiply
    24,961.56x = 37,438.08 × 8,319.84
  4. Step 4: Simplify right side
    24,961.56x = 311,478,835.51
  5. Step 5: Solve for x
    x = 311,478,835.51/24,961.56
  6. Step 6: Final answer
    x = 12,478.34

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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.