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Finding the Fourth Proportional to 2,888.26, 4,302.85 and 2,748.94

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Solution

The fourth proportional to 2,888.26, 4,302.85 and 2,748.94 is: 4,095.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.26 : 4,302.85 = 2,748.94 : x
  2. Step 2: Convert to fraction form
    2,888.26/4,302.85 = 2,748.94/x
  3. Step 3: Cross multiply
    2,888.26x = 4,302.85 × 2,748.94
  4. Step 4: Simplify right side
    2,888.26x = 11,828,262.73
  5. Step 5: Solve for x
    x = 11,828,262.73/2,888.26
  6. Step 6: Final answer
    x = 4,095.29

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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.