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Finding the Fourth Proportional to 60,425.45, 90,638.20 and 22,976.87

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Solution

The fourth proportional to 60,425.45, 90,638.20 and 22,976.87 is: 34,465.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,425.45 : 90,638.20 = 22,976.87 : x
  2. Step 2: Convert to fraction form
    60,425.45/90,638.20 = 22,976.87/x
  3. Step 3: Cross multiply
    60,425.45x = 90,638.20 × 22,976.87
  4. Step 4: Simplify right side
    60,425.45x = 2,082,582,393.75
  5. Step 5: Solve for x
    x = 2,082,582,393.75/60,425.45
  6. Step 6: Final answer
    x = 34,465.32

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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.