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Finding the Fourth Proportional to 2,956.76, 4,076.54 and 2,423.70

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Solution

The fourth proportional to 2,956.76, 4,076.54 and 2,423.70 is: 3,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.76 : 4,076.54 = 2,423.70 : x
  2. Step 2: Convert to fraction form
    2,956.76/4,076.54 = 2,423.70/x
  3. Step 3: Cross multiply
    2,956.76x = 4,076.54 × 2,423.70
  4. Step 4: Simplify right side
    2,956.76x = 9,880,310.00
  5. Step 5: Solve for x
    x = 9,880,310.00/2,956.76
  6. Step 6: Final answer
    x = 3,341.60

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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.