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Finding the Fourth Proportional to 1,704.62, 2,352.35 and 948.39

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Solution

The fourth proportional to 1,704.62, 2,352.35 and 948.39 is: 1,308.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.62 : 2,352.35 = 948.39 : x
  2. Step 2: Convert to fraction form
    1,704.62/2,352.35 = 948.39/x
  3. Step 3: Cross multiply
    1,704.62x = 2,352.35 × 948.39
  4. Step 4: Simplify right side
    1,704.62x = 2,230,956.41
  5. Step 5: Solve for x
    x = 2,230,956.41/1,704.62
  6. Step 6: Final answer
    x = 1,308.77

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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.