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Finding the Fourth Proportional to 14,341.70, 21,512.92 and 6,944.78

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Solution

The fourth proportional to 14,341.70, 21,512.92 and 6,944.78 is: 10,417.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,341.70 : 21,512.92 = 6,944.78 : x
  2. Step 2: Convert to fraction form
    14,341.70/21,512.92 = 6,944.78/x
  3. Step 3: Cross multiply
    14,341.70x = 21,512.92 × 6,944.78
  4. Step 4: Simplify right side
    14,341.70x = 149,402,496.56
  5. Step 5: Solve for x
    x = 149,402,496.56/14,341.70
  6. Step 6: Final answer
    x = 10,417.35

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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.