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Finding the Fourth Proportional to 14,659.80, 21,973.53 and 6,760.07

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Solution

The fourth proportional to 14,659.80, 21,973.53 and 6,760.07 is: 10,132.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659.80 : 21,973.53 = 6,760.07 : x
  2. Step 2: Convert to fraction form
    14,659.80/21,973.53 = 6,760.07/x
  3. Step 3: Cross multiply
    14,659.80x = 21,973.53 × 6,760.07
  4. Step 4: Simplify right side
    14,659.80x = 148,542,600.95
  5. Step 5: Solve for x
    x = 148,542,600.95/14,659.80
  6. Step 6: Final answer
    x = 10,132.65

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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.