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Finding the Fourth Proportional to 60,344.30, 90,518.88 and 28,738.10

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Solution

The fourth proportional to 60,344.30, 90,518.88 and 28,738.10 is: 43,108.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,344.30 : 90,518.88 = 28,738.10 : x
  2. Step 2: Convert to fraction form
    60,344.30/90,518.88 = 28,738.10/x
  3. Step 3: Cross multiply
    60,344.30x = 90,518.88 × 28,738.10
  4. Step 4: Simplify right side
    60,344.30x = 2,601,340,172.73
  5. Step 5: Solve for x
    x = 2,601,340,172.73/60,344.30
  6. Step 6: Final answer
    x = 43,108.30

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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.