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Finding the Fourth Proportional to 14,336.59, 21,480.64 and 6,944.59

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Solution

The fourth proportional to 14,336.59, 21,480.64 and 6,944.59 is: 10,405.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,336.59 : 21,480.64 = 6,944.59 : x
  2. Step 2: Convert to fraction form
    14,336.59/21,480.64 = 6,944.59/x
  3. Step 3: Cross multiply
    14,336.59x = 21,480.64 × 6,944.59
  4. Step 4: Simplify right side
    14,336.59x = 149,174,237.74
  5. Step 5: Solve for x
    x = 149,174,237.74/14,336.59
  6. Step 6: Final answer
    x = 10,405.14

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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.