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Finding the Fourth Proportional to 7,276.76, 10,915.16 and 2,346.76

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Solution

The fourth proportional to 7,276.76, 10,915.16 and 2,346.76 is: 3,520.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.76 : 10,915.16 = 2,346.76 : x
  2. Step 2: Convert to fraction form
    7,276.76/10,915.16 = 2,346.76/x
  3. Step 3: Cross multiply
    7,276.76x = 10,915.16 × 2,346.76
  4. Step 4: Simplify right side
    7,276.76x = 25,615,260.88
  5. Step 5: Solve for x
    x = 25,615,260.88/7,276.76
  6. Step 6: Final answer
    x = 3,520.15

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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.