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Finding the Fourth Proportional to 2,358.96, 3,538.03 and 715.26

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Solution

The fourth proportional to 2,358.96, 3,538.03 and 715.26 is: 1,072.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.96 : 3,538.03 = 715.26 : x
  2. Step 2: Convert to fraction form
    2,358.96/3,538.03 = 715.26/x
  3. Step 3: Cross multiply
    2,358.96x = 3,538.03 × 715.26
  4. Step 4: Simplify right side
    2,358.96x = 2,530,611.34
  5. Step 5: Solve for x
    x = 2,530,611.34/2,358.96
  6. Step 6: Final answer
    x = 1,072.77

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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.