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Finding the Fourth Proportional to 3,354.01, 5,031.23 and 888.79

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Solution

The fourth proportional to 3,354.01, 5,031.23 and 888.79 is: 1,333.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.01 : 5,031.23 = 888.79 : x
  2. Step 2: Convert to fraction form
    3,354.01/5,031.23 = 888.79/x
  3. Step 3: Cross multiply
    3,354.01x = 5,031.23 × 888.79
  4. Step 4: Simplify right side
    3,354.01x = 4,471,706.91
  5. Step 5: Solve for x
    x = 4,471,706.91/3,354.01
  6. Step 6: Final answer
    x = 1,333.24

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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.