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Finding the Fourth Proportional to 2,885.76, 4,299.12 and 2,746.44

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Solution

The fourth proportional to 2,885.76, 4,299.12 and 2,746.44 is: 4,091.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.76 : 4,299.12 = 2,746.44 : x
  2. Step 2: Convert to fraction form
    2,885.76/4,299.12 = 2,746.44/x
  3. Step 3: Cross multiply
    2,885.76x = 4,299.12 × 2,746.44
  4. Step 4: Simplify right side
    2,885.76x = 11,807,275.13
  5. Step 5: Solve for x
    x = 11,807,275.13/2,885.76
  6. Step 6: Final answer
    x = 4,091.57

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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.