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Finding the Fourth Proportional to 5,264.76, 7,265.20 and 2,906.88

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Solution

The fourth proportional to 5,264.76, 7,265.20 and 2,906.88 is: 4,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,264.76 : 7,265.20 = 2,906.88 : x
  2. Step 2: Convert to fraction form
    5,264.76/7,265.20 = 2,906.88/x
  3. Step 3: Cross multiply
    5,264.76x = 7,265.20 × 2,906.88
  4. Step 4: Simplify right side
    5,264.76x = 21,119,064.58
  5. Step 5: Solve for x
    x = 21,119,064.58/5,264.76
  6. Step 6: Final answer
    x = 4,011.40

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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.