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Finding the Fourth Proportional to 19,224.50, 28,836.78 and 5,373.50

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Solution

The fourth proportional to 19,224.50, 28,836.78 and 5,373.50 is: 8,060.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,224.50 : 28,836.78 = 5,373.50 : x
  2. Step 2: Convert to fraction form
    19,224.50/28,836.78 = 5,373.50/x
  3. Step 3: Cross multiply
    19,224.50x = 28,836.78 × 5,373.50
  4. Step 4: Simplify right side
    19,224.50x = 154,954,437.33
  5. Step 5: Solve for x
    x = 154,954,437.33/19,224.50
  6. Step 6: Final answer
    x = 8,060.26

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Double scale
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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.