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Finding the Fourth Proportional to 23,340.92, 34,976.80 and 19,210.28

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Solution

The fourth proportional to 23,340.92, 34,976.80 and 19,210.28 is: 28,786.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,340.92 : 34,976.80 = 19,210.28 : x
  2. Step 2: Convert to fraction form
    23,340.92/34,976.80 = 19,210.28/x
  3. Step 3: Cross multiply
    23,340.92x = 34,976.80 × 19,210.28
  4. Step 4: Simplify right side
    23,340.92x = 671,914,121.50
  5. Step 5: Solve for x
    x = 671,914,121.50/23,340.92
  6. Step 6: Final answer
    x = 28,786.96

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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.