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Finding the Fourth Proportional to 34,919.80, 52,387.93 and 9,960.19

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Solution

The fourth proportional to 34,919.80, 52,387.93 and 9,960.19 is: 14,942.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,919.80 : 52,387.93 = 9,960.19 : x
  2. Step 2: Convert to fraction form
    34,919.80/52,387.93 = 9,960.19/x
  3. Step 3: Cross multiply
    34,919.80x = 52,387.93 × 9,960.19
  4. Step 4: Simplify right side
    34,919.80x = 521,793,617.99
  5. Step 5: Solve for x
    x = 521,793,617.99/34,919.80
  6. Step 6: Final answer
    x = 14,942.63

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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.