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Finding the Fourth Proportional to 26,404.30, 39,598.08 and 8,630.94

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Solution

The fourth proportional to 26,404.30, 39,598.08 and 8,630.94 is: 12,943.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,404.30 : 39,598.08 = 8,630.94 : x
  2. Step 2: Convert to fraction form
    26,404.30/39,598.08 = 8,630.94/x
  3. Step 3: Cross multiply
    26,404.30x = 39,598.08 × 8,630.94
  4. Step 4: Simplify right side
    26,404.30x = 341,768,454.60
  5. Step 5: Solve for x
    x = 341,768,454.60/26,404.30
  6. Step 6: Final answer
    x = 12,943.67

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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.