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Finding the Fourth Proportional to 14,503.44, 21,739.23 and 7,483.95

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Solution

The fourth proportional to 14,503.44, 21,739.23 and 7,483.95 is: 11,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,503.44 : 21,739.23 = 7,483.95 : x
  2. Step 2: Convert to fraction form
    14,503.44/21,739.23 = 7,483.95/x
  3. Step 3: Cross multiply
    14,503.44x = 21,739.23 × 7,483.95
  4. Step 4: Simplify right side
    14,503.44x = 162,695,310.36
  5. Step 5: Solve for x
    x = 162,695,310.36/14,503.44
  6. Step 6: Final answer
    x = 11,217.70

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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.