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Finding the Fourth Proportional to 60,604.50, 90,911.93 and 18,494.05

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Solution

The fourth proportional to 60,604.50, 90,911.93 and 18,494.05 is: 27,742.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,604.50 : 90,911.93 = 18,494.05 : x
  2. Step 2: Convert to fraction form
    60,604.50/90,911.93 = 18,494.05/x
  3. Step 3: Cross multiply
    60,604.50x = 90,911.93 × 18,494.05
  4. Step 4: Simplify right side
    60,604.50x = 1,681,329,459.27
  5. Step 5: Solve for x
    x = 1,681,329,459.27/60,604.50
  6. Step 6: Final answer
    x = 27,742.65

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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.