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Finding the Fourth Proportional to 14,239.80, 19,649.52 and 7,952.04

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Solution

The fourth proportional to 14,239.80, 19,649.52 and 7,952.04 is: 10,973.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.80 : 19,649.52 = 7,952.04 : x
  2. Step 2: Convert to fraction form
    14,239.80/19,649.52 = 7,952.04/x
  3. Step 3: Cross multiply
    14,239.80x = 19,649.52 × 7,952.04
  4. Step 4: Simplify right side
    14,239.80x = 156,253,769.02
  5. Step 5: Solve for x
    x = 156,253,769.02/14,239.80
  6. Step 6: Final answer
    x = 10,973.03

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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.