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Finding the Fourth Proportional to 43,211.03, 64,772.03 and 16,549.75

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Solution

The fourth proportional to 43,211.03, 64,772.03 and 16,549.75 is: 24,807.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,211.03 : 64,772.03 = 16,549.75 : x
  2. Step 2: Convert to fraction form
    43,211.03/64,772.03 = 16,549.75/x
  3. Step 3: Cross multiply
    43,211.03x = 64,772.03 × 16,549.75
  4. Step 4: Simplify right side
    43,211.03x = 1,071,960,579.63
  5. Step 5: Solve for x
    x = 1,071,960,579.63/43,211.03
  6. Step 6: Final answer
    x = 24,807.57

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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.