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Finding the Fourth Proportional to 3,275.76, 4,917.06 and 2,888.28

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Solution

The fourth proportional to 3,275.76, 4,917.06 and 2,888.28 is: 4,335.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.76 : 4,917.06 = 2,888.28 : x
  2. Step 2: Convert to fraction form
    3,275.76/4,917.06 = 2,888.28/x
  3. Step 3: Cross multiply
    3,275.76x = 4,917.06 × 2,888.28
  4. Step 4: Simplify right side
    3,275.76x = 14,201,846.06
  5. Step 5: Solve for x
    x = 14,201,846.06/3,275.76
  6. Step 6: Final answer
    x = 4,335.44

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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.