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Finding the Fourth Proportional to 14,243.99, 21,373.84 and 5,358.89

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Solution

The fourth proportional to 14,243.99, 21,373.84 and 5,358.89 is: 8,041.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.99 : 21,373.84 = 5,358.89 : x
  2. Step 2: Convert to fraction form
    14,243.99/21,373.84 = 5,358.89/x
  3. Step 3: Cross multiply
    14,243.99x = 21,373.84 × 5,358.89
  4. Step 4: Simplify right side
    14,243.99x = 114,540,117.57
  5. Step 5: Solve for x
    x = 114,540,117.57/14,243.99
  6. Step 6: Final answer
    x = 8,041.30

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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.