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Finding the Fourth Proportional to 15,628.92, 23,419.88 and 6,259.65

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Solution

The fourth proportional to 15,628.92, 23,419.88 and 6,259.65 is: 9,380.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628.92 : 23,419.88 = 6,259.65 : x
  2. Step 2: Convert to fraction form
    15,628.92/23,419.88 = 6,259.65/x
  3. Step 3: Cross multiply
    15,628.92x = 23,419.88 × 6,259.65
  4. Step 4: Simplify right side
    15,628.92x = 146,600,220.54
  5. Step 5: Solve for x
    x = 146,600,220.54/15,628.92
  6. Step 6: Final answer
    x = 9,380.06

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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.