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Finding the Fourth Proportional to 14,250.95, 19,661.49 and 8,277.71

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Solution

The fourth proportional to 14,250.95, 19,661.49 and 8,277.71 is: 11,420.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.95 : 19,661.49 = 8,277.71 : x
  2. Step 2: Convert to fraction form
    14,250.95/19,661.49 = 8,277.71/x
  3. Step 3: Cross multiply
    14,250.95x = 19,661.49 × 8,277.71
  4. Step 4: Simplify right side
    14,250.95x = 162,752,014.08
  5. Step 5: Solve for x
    x = 162,752,014.08/14,250.95
  6. Step 6: Final answer
    x = 11,420.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.