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Finding the Fourth Proportional to 9,917.99, 14,876.95 and 2,522.55

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Solution

The fourth proportional to 9,917.99, 14,876.95 and 2,522.55 is: 3,783.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,917.99 : 14,876.95 = 2,522.55 : x
  2. Step 2: Convert to fraction form
    9,917.99/14,876.95 = 2,522.55/x
  3. Step 3: Cross multiply
    9,917.99x = 14,876.95 × 2,522.55
  4. Step 4: Simplify right side
    9,917.99x = 37,527,850.22
  5. Step 5: Solve for x
    x = 37,527,850.22/9,917.99
  6. Step 6: Final answer
    x = 3,783.82

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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.