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Finding the Fourth Proportional to 8,958.79, 13,438.43 and 2,384.99

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Solution

The fourth proportional to 8,958.79, 13,438.43 and 2,384.99 is: 3,577.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.79 : 13,438.43 = 2,384.99 : x
  2. Step 2: Convert to fraction form
    8,958.79/13,438.43 = 2,384.99/x
  3. Step 3: Cross multiply
    8,958.79x = 13,438.43 × 2,384.99
  4. Step 4: Simplify right side
    8,958.79x = 32,050,509.24
  5. Step 5: Solve for x
    x = 32,050,509.24/8,958.79
  6. Step 6: Final answer
    x = 3,577.55

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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.