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Finding the Fourth Proportional to 45,551.50, 68,314.02 and 17,469.50

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Solution

The fourth proportional to 45,551.50, 68,314.02 and 17,469.50 is: 26,199.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,551.50 : 68,314.02 = 17,469.50 : x
  2. Step 2: Convert to fraction form
    45,551.50/68,314.02 = 17,469.50/x
  3. Step 3: Cross multiply
    45,551.50x = 68,314.02 × 17,469.50
  4. Step 4: Simplify right side
    45,551.50x = 1,193,411,772.39
  5. Step 5: Solve for x
    x = 1,193,411,772.39/45,551.50
  6. Step 6: Final answer
    x = 26,199.18

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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.