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Finding the Fourth Proportional to 3,117.03, 4,675.52 and 925.73

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Solution

The fourth proportional to 3,117.03, 4,675.52 and 925.73 is: 1,388.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.03 : 4,675.52 = 925.73 : x
  2. Step 2: Convert to fraction form
    3,117.03/4,675.52 = 925.73/x
  3. Step 3: Cross multiply
    3,117.03x = 4,675.52 × 925.73
  4. Step 4: Simplify right side
    3,117.03x = 4,328,269.13
  5. Step 5: Solve for x
    x = 4,328,269.13/3,117.03
  6. Step 6: Final answer
    x = 1,388.59

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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.