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Finding the Fourth Proportional to 14,852.76, 20,491.76 and 8,474.77

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Solution

The fourth proportional to 14,852.76, 20,491.76 and 8,474.77 is: 11,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,852.76 : 20,491.76 = 8,474.77 : x
  2. Step 2: Convert to fraction form
    14,852.76/20,491.76 = 8,474.77/x
  3. Step 3: Cross multiply
    14,852.76x = 20,491.76 × 8,474.77
  4. Step 4: Simplify right side
    14,852.76x = 173,662,952.90
  5. Step 5: Solve for x
    x = 173,662,952.90/14,852.76
  6. Step 6: Final answer
    x = 11,692.30

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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.