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Finding the Fourth Proportional to 14,049.86, 21,074.78 and 4,564.08

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Solution

The fourth proportional to 14,049.86, 21,074.78 and 4,564.08 is: 6,846.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.86 : 21,074.78 = 4,564.08 : x
  2. Step 2: Convert to fraction form
    14,049.86/21,074.78 = 4,564.08/x
  3. Step 3: Cross multiply
    14,049.86x = 21,074.78 × 4,564.08
  4. Step 4: Simplify right side
    14,049.86x = 96,187,082.22
  5. Step 5: Solve for x
    x = 96,187,082.22/14,049.86
  6. Step 6: Final answer
    x = 6,846.13

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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.