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Finding the Fourth Proportional to 27,245.70, 40,884.08 and 10,603.58

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Solution

The fourth proportional to 27,245.70, 40,884.08 and 10,603.58 is: 15,911.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,245.70 : 40,884.08 = 10,603.58 : x
  2. Step 2: Convert to fraction form
    27,245.70/40,884.08 = 10,603.58/x
  3. Step 3: Cross multiply
    27,245.70x = 40,884.08 × 10,603.58
  4. Step 4: Simplify right side
    27,245.70x = 433,517,355.57
  5. Step 5: Solve for x
    x = 433,517,355.57/27,245.70
  6. Step 6: Final answer
    x = 15,911.40

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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.