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Finding the Fourth Proportional to 19,224.58, 28,836.87 and 7,543.30

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Solution

The fourth proportional to 19,224.58, 28,836.87 and 7,543.30 is: 11,314.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,224.58 : 28,836.87 = 7,543.30 : x
  2. Step 2: Convert to fraction form
    19,224.58/28,836.87 = 7,543.30/x
  3. Step 3: Cross multiply
    19,224.58x = 28,836.87 × 7,543.30
  4. Step 4: Simplify right side
    19,224.58x = 217,525,161.47
  5. Step 5: Solve for x
    x = 217,525,161.47/19,224.58
  6. Step 6: Final answer
    x = 11,314.95

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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.