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Finding the Fourth Proportional to 55,782.65, 83,673.97 and 14,229.65

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Solution

The fourth proportional to 55,782.65, 83,673.97 and 14,229.65 is: 21,344.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,782.65 : 83,673.97 = 14,229.65 : x
  2. Step 2: Convert to fraction form
    55,782.65/83,673.97 = 14,229.65/x
  3. Step 3: Cross multiply
    55,782.65x = 83,673.97 × 14,229.65
  4. Step 4: Simplify right side
    55,782.65x = 1,190,650,817.69
  5. Step 5: Solve for x
    x = 1,190,650,817.69/55,782.65
  6. Step 6: Final answer
    x = 21,344.47

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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.