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Finding the Fourth Proportional to 45,168.60, 67,623.30 and 27,672.60

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Solution

The fourth proportional to 45,168.60, 67,623.30 and 27,672.60 is: 41,429.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,168.60 : 67,623.30 = 27,672.60 : x
  2. Step 2: Convert to fraction form
    45,168.60/67,623.30 = 27,672.60/x
  3. Step 3: Cross multiply
    45,168.60x = 67,623.30 × 27,672.60
  4. Step 4: Simplify right side
    45,168.60x = 1,871,312,531.58
  5. Step 5: Solve for x
    x = 1,871,312,531.58/45,168.60
  6. Step 6: Final answer
    x = 41,429.50

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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.