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Finding the Fourth Proportional to 43,648.56, 65,472.96 and 14,068.56

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Solution

The fourth proportional to 43,648.56, 65,472.96 and 14,068.56 is: 21,102.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,648.56 : 65,472.96 = 14,068.56 : x
  2. Step 2: Convert to fraction form
    43,648.56/65,472.96 = 14,068.56/x
  3. Step 3: Cross multiply
    43,648.56x = 65,472.96 × 14,068.56
  4. Step 4: Simplify right side
    43,648.56x = 921,110,266.14
  5. Step 5: Solve for x
    x = 921,110,266.14/43,648.56
  6. Step 6: Final answer
    x = 21,102.88

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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.