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Finding the Fourth Proportional to 6,888.70, 9,506.48 and 3,744.89

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Solution

The fourth proportional to 6,888.70, 9,506.48 and 3,744.89 is: 5,167.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.70 : 9,506.48 = 3,744.89 : x
  2. Step 2: Convert to fraction form
    6,888.70/9,506.48 = 3,744.89/x
  3. Step 3: Cross multiply
    6,888.70x = 9,506.48 × 3,744.89
  4. Step 4: Simplify right side
    6,888.70x = 35,600,721.89
  5. Step 5: Solve for x
    x = 35,600,721.89/6,888.70
  6. Step 6: Final answer
    x = 5,167.99

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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.