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Finding the Fourth Proportional to 8,599.79, 12,900.06 and 2,359.67

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Solution

The fourth proportional to 8,599.79, 12,900.06 and 2,359.67 is: 3,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.79 : 12,900.06 = 2,359.67 : x
  2. Step 2: Convert to fraction form
    8,599.79/12,900.06 = 2,359.67/x
  3. Step 3: Cross multiply
    8,599.79x = 12,900.06 × 2,359.67
  4. Step 4: Simplify right side
    8,599.79x = 30,439,820.08
  5. Step 5: Solve for x
    x = 30,439,820.08/8,599.79
  6. Step 6: Final answer
    x = 3,539.60

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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.