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Finding the Fourth Proportional to 19,237.98, 28,867.77 and 8,850.54

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Solution

The fourth proportional to 19,237.98, 28,867.77 and 8,850.54 is: 13,280.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,237.98 : 28,867.77 = 8,850.54 : x
  2. Step 2: Convert to fraction form
    19,237.98/28,867.77 = 8,850.54/x
  3. Step 3: Cross multiply
    19,237.98x = 28,867.77 × 8,850.54
  4. Step 4: Simplify right side
    19,237.98x = 255,495,353.10
  5. Step 5: Solve for x
    x = 255,495,353.10/19,237.98
  6. Step 6: Final answer
    x = 13,280.78

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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.