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Finding the Fourth Proportional to 14,675.81, 22,012.94 and 4,813.79

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Solution

The fourth proportional to 14,675.81, 22,012.94 and 4,813.79 is: 7,220.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,675.81 : 22,012.94 = 4,813.79 : x
  2. Step 2: Convert to fraction form
    14,675.81/22,012.94 = 4,813.79/x
  3. Step 3: Cross multiply
    14,675.81x = 22,012.94 × 4,813.79
  4. Step 4: Simplify right side
    14,675.81x = 105,965,572.41
  5. Step 5: Solve for x
    x = 105,965,572.41/14,675.81
  6. Step 6: Final answer
    x = 7,220.43

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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.