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Finding the Fourth Proportional to 12,502.53, 18,751.84 and 4,182.48

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Solution

The fourth proportional to 12,502.53, 18,751.84 and 4,182.48 is: 6,273.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.53 : 18,751.84 = 4,182.48 : x
  2. Step 2: Convert to fraction form
    12,502.53/18,751.84 = 4,182.48/x
  3. Step 3: Cross multiply
    12,502.53x = 18,751.84 × 4,182.48
  4. Step 4: Simplify right side
    12,502.53x = 78,429,185.31
  5. Step 5: Solve for x
    x = 78,429,185.31/12,502.53
  6. Step 6: Final answer
    x = 6,273.07

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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.