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Finding the Fourth Proportional to 12,510.63, 18,765.95 and 5,933.23

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Solution

The fourth proportional to 12,510.63, 18,765.95 and 5,933.23 is: 8,899.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510.63 : 18,765.95 = 5,933.23 : x
  2. Step 2: Convert to fraction form
    12,510.63/18,765.95 = 5,933.23/x
  3. Step 3: Cross multiply
    12,510.63x = 18,765.95 × 5,933.23
  4. Step 4: Simplify right side
    12,510.63x = 111,342,697.52
  5. Step 5: Solve for x
    x = 111,342,697.52/12,510.63
  6. Step 6: Final answer
    x = 8,899.85

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Similar ratio
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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.