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Finding the Fourth Proportional to 2,528.76, 3,774.51 and 2,233.20

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Solution

The fourth proportional to 2,528.76, 3,774.51 and 2,233.20 is: 3,333.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.76 : 3,774.51 = 2,233.20 : x
  2. Step 2: Convert to fraction form
    2,528.76/3,774.51 = 2,233.20/x
  3. Step 3: Cross multiply
    2,528.76x = 3,774.51 × 2,233.20
  4. Step 4: Simplify right side
    2,528.76x = 8,429,235.73
  5. Step 5: Solve for x
    x = 8,429,235.73/2,528.76
  6. Step 6: Final answer
    x = 3,333.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.