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Finding the Fourth Proportional to 45,656.25, 68,484.41 and 14,491.50

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Solution

The fourth proportional to 45,656.25, 68,484.41 and 14,491.50 is: 21,737.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,656.25 : 68,484.41 = 14,491.50 : x
  2. Step 2: Convert to fraction form
    45,656.25/68,484.41 = 14,491.50/x
  3. Step 3: Cross multiply
    45,656.25x = 68,484.41 × 14,491.50
  4. Step 4: Simplify right side
    45,656.25x = 992,441,755.06
  5. Step 5: Solve for x
    x = 992,441,755.06/45,656.25
  6. Step 6: Final answer
    x = 21,737.26

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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.