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Finding the Fourth Proportional to 2,358.68, 3,538.14 and 627.26

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Solution

The fourth proportional to 2,358.68, 3,538.14 and 627.26 is: 940.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.68 : 3,538.14 = 627.26 : x
  2. Step 2: Convert to fraction form
    2,358.68/3,538.14 = 627.26/x
  3. Step 3: Cross multiply
    2,358.68x = 3,538.14 × 627.26
  4. Step 4: Simplify right side
    2,358.68x = 2,219,333.70
  5. Step 5: Solve for x
    x = 2,219,333.70/2,358.68
  6. Step 6: Final answer
    x = 940.92

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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.