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Finding the Fourth Proportional to 1,704.84, 2,557.66 and 925.62

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Solution

The fourth proportional to 1,704.84, 2,557.66 and 925.62 is: 1,388.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.84 : 2,557.66 = 925.62 : x
  2. Step 2: Convert to fraction form
    1,704.84/2,557.66 = 925.62/x
  3. Step 3: Cross multiply
    1,704.84x = 2,557.66 × 925.62
  4. Step 4: Simplify right side
    1,704.84x = 2,367,421.25
  5. Step 5: Solve for x
    x = 2,367,421.25/1,704.84
  6. Step 6: Final answer
    x = 1,388.65

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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.