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Finding the Fourth Proportional to 60,884.64, 91,334.34 and 21,433.68

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Solution

The fourth proportional to 60,884.64, 91,334.34 and 21,433.68 is: 32,153.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,884.64 : 91,334.34 = 21,433.68 : x
  2. Step 2: Convert to fraction form
    60,884.64/91,334.34 = 21,433.68/x
  3. Step 3: Cross multiply
    60,884.64x = 91,334.34 × 21,433.68
  4. Step 4: Simplify right side
    60,884.64x = 1,957,631,016.57
  5. Step 5: Solve for x
    x = 1,957,631,016.57/60,884.64
  6. Step 6: Final answer
    x = 32,153.12

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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.