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Finding the Fourth Proportional to 31,103.70, 46,655.55 and 25,563.30

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Solution

The fourth proportional to 31,103.70, 46,655.55 and 25,563.30 is: 38,344.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,103.70 : 46,655.55 = 25,563.30 : x
  2. Step 2: Convert to fraction form
    31,103.70/46,655.55 = 25,563.30/x
  3. Step 3: Cross multiply
    31,103.70x = 46,655.55 × 25,563.30
  4. Step 4: Simplify right side
    31,103.70x = 1,192,669,821.32
  5. Step 5: Solve for x
    x = 1,192,669,821.32/31,103.70
  6. Step 6: Final answer
    x = 38,344.95

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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.