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Finding the Fourth Proportional to 48,459.76, 66,792.16 and 36,970.72

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Solution

The fourth proportional to 48,459.76, 66,792.16 and 36,970.72 is: 50,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,459.76 : 66,792.16 = 36,970.72 : x
  2. Step 2: Convert to fraction form
    48,459.76/66,792.16 = 36,970.72/x
  3. Step 3: Cross multiply
    48,459.76x = 66,792.16 × 36,970.72
  4. Step 4: Simplify right side
    48,459.76x = 2,469,354,245.56
  5. Step 5: Solve for x
    x = 2,469,354,245.56/48,459.76
  6. Step 6: Final answer
    x = 50,956.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.