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Finding the Fourth Proportional to 60,168.84, 90,267.66 and 18,615.84

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Solution

The fourth proportional to 60,168.84, 90,267.66 and 18,615.84 is: 27,928.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,168.84 : 90,267.66 = 18,615.84 : x
  2. Step 2: Convert to fraction form
    60,168.84/90,267.66 = 18,615.84/x
  3. Step 3: Cross multiply
    60,168.84x = 90,267.66 × 18,615.84
  4. Step 4: Simplify right side
    60,168.84x = 1,680,408,315.73
  5. Step 5: Solve for x
    x = 1,680,408,315.73/60,168.84
  6. Step 6: Final answer
    x = 27,928.22

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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.