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Finding the Fourth Proportional to 3,059.10, 4,588.17 and 868.02

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Solution

The fourth proportional to 3,059.10, 4,588.17 and 868.02 is: 1,301.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.10 : 4,588.17 = 868.02 : x
  2. Step 2: Convert to fraction form
    3,059.10/4,588.17 = 868.02/x
  3. Step 3: Cross multiply
    3,059.10x = 4,588.17 × 868.02
  4. Step 4: Simplify right side
    3,059.10x = 3,982,623.32
  5. Step 5: Solve for x
    x = 3,982,623.32/3,059.10
  6. Step 6: Final answer
    x = 1,301.89

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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.