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Finding the Fourth Proportional to 45,653.74, 68,491.68 and 14,489.26

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Solution

The fourth proportional to 45,653.74, 68,491.68 and 14,489.26 is: 21,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,653.74 : 68,491.68 = 14,489.26 : x
  2. Step 2: Convert to fraction form
    45,653.74/68,491.68 = 14,489.26/x
  3. Step 3: Cross multiply
    45,653.74x = 68,491.68 × 14,489.26
  4. Step 4: Simplify right side
    45,653.74x = 992,393,759.36
  5. Step 5: Solve for x
    x = 992,393,759.36/45,653.74
  6. Step 6: Final answer
    x = 21,737.40

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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.