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Finding the Fourth Proportional to 14,674.48, 21,998.76 and 5,434.48

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Solution

The fourth proportional to 14,674.48, 21,998.76 and 5,434.48 is: 8,146.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,674.48 : 21,998.76 = 5,434.48 : x
  2. Step 2: Convert to fraction form
    14,674.48/21,998.76 = 5,434.48/x
  3. Step 3: Cross multiply
    14,674.48x = 21,998.76 × 5,434.48
  4. Step 4: Simplify right side
    14,674.48x = 119,551,821.24
  5. Step 5: Solve for x
    x = 119,551,821.24/14,674.48
  6. Step 6: Final answer
    x = 8,146.92

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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.