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Finding the Fourth Proportional to 14,976.01, 20,673.53 and 9,673.41

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Solution

The fourth proportional to 14,976.01, 20,673.53 and 9,673.41 is: 13,353.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,976.01 : 20,673.53 = 9,673.41 : x
  2. Step 2: Convert to fraction form
    14,976.01/20,673.53 = 9,673.41/x
  3. Step 3: Cross multiply
    14,976.01x = 20,673.53 × 9,673.41
  4. Step 4: Simplify right side
    14,976.01x = 199,983,531.84
  5. Step 5: Solve for x
    x = 199,983,531.84/14,976.01
  6. Step 6: Final answer
    x = 13,353.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.