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Finding the Fourth Proportional to 18,029.94, 24,879.53 and 10,071.99

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Solution

The fourth proportional to 18,029.94, 24,879.53 and 10,071.99 is: 13,898.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,029.94 : 24,879.53 = 10,071.99 : x
  2. Step 2: Convert to fraction form
    18,029.94/24,879.53 = 10,071.99/x
  3. Step 3: Cross multiply
    18,029.94x = 24,879.53 × 10,071.99
  4. Step 4: Simplify right side
    18,029.94x = 250,586,327.00
  5. Step 5: Solve for x
    x = 250,586,327.00/18,029.94
  6. Step 6: Final answer
    x = 13,898.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.