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Finding the Fourth Proportional to 23,419.29, 35,133.65 and 8,628.29

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Solution

The fourth proportional to 23,419.29, 35,133.65 and 8,628.29 is: 12,944.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,419.29 : 35,133.65 = 8,628.29 : x
  2. Step 2: Convert to fraction form
    23,419.29/35,133.65 = 8,628.29/x
  3. Step 3: Cross multiply
    23,419.29x = 35,133.65 × 8,628.29
  4. Step 4: Simplify right side
    23,419.29x = 303,143,266.26
  5. Step 5: Solve for x
    x = 303,143,266.26/23,419.29
  6. Step 6: Final answer
    x = 12,944.17

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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.