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Finding the Fourth Proportional to 60,052, 90,047.39 and 20,056.59

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Solution

The fourth proportional to 60,052, 90,047.39 and 20,056.59 is: 30,074.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,052 : 90,047.39 = 20,056.59 : x
  2. Step 2: Convert to fraction form
    60,052/90,047.39 = 20,056.59/x
  3. Step 3: Cross multiply
    60,052x = 90,047.39 × 20,056.59
  4. Step 4: Simplify right side
    60,052x = 1,806,043,581.80
  5. Step 5: Solve for x
    x = 1,806,043,581.80/60,052
  6. Step 6: Final answer
    x = 30,074.66

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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.