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Finding the Fourth Proportional to 60,157.80, 90,325.41 and 33,555.76

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Solution

The fourth proportional to 60,157.80, 90,325.41 and 33,555.76 is: 50,383.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,157.80 : 90,325.41 = 33,555.76 : x
  2. Step 2: Convert to fraction form
    60,157.80/90,325.41 = 33,555.76/x
  3. Step 3: Cross multiply
    60,157.80x = 90,325.41 × 33,555.76
  4. Step 4: Simplify right side
    60,157.80x = 3,030,937,612.08
  5. Step 5: Solve for x
    x = 3,030,937,612.08/60,157.80
  6. Step 6: Final answer
    x = 50,383.12

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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.