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Finding the Fourth Proportional to 26,597.45, 39,900.90 and 8,829.17

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Solution

The fourth proportional to 26,597.45, 39,900.90 and 8,829.17 is: 13,245.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,597.45 : 39,900.90 = 8,829.17 : x
  2. Step 2: Convert to fraction form
    26,597.45/39,900.90 = 8,829.17/x
  3. Step 3: Cross multiply
    26,597.45x = 39,900.90 × 8,829.17
  4. Step 4: Simplify right side
    26,597.45x = 352,291,629.75
  5. Step 5: Solve for x
    x = 352,291,629.75/26,597.45
  6. Step 6: Final answer
    x = 13,245.32

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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.