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Finding the Fourth Proportional to 13,008.94, 17,952.33 and 7,419.94

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Solution

The fourth proportional to 13,008.94, 17,952.33 and 7,419.94 is: 10,239.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.94 : 17,952.33 = 7,419.94 : x
  2. Step 2: Convert to fraction form
    13,008.94/17,952.33 = 7,419.94/x
  3. Step 3: Cross multiply
    13,008.94x = 17,952.33 × 7,419.94
  4. Step 4: Simplify right side
    13,008.94x = 133,205,194.40
  5. Step 5: Solve for x
    x = 133,205,194.40/13,008.94
  6. Step 6: Final answer
    x = 10,239.51

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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.