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Finding the Fourth Proportional to 3,134.59, 4,702.12 and 1,054.59

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Solution

The fourth proportional to 3,134.59, 4,702.12 and 1,054.59 is: 1,581.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.59 : 4,702.12 = 1,054.59 : x
  2. Step 2: Convert to fraction form
    3,134.59/4,702.12 = 1,054.59/x
  3. Step 3: Cross multiply
    3,134.59x = 4,702.12 × 1,054.59
  4. Step 4: Simplify right side
    3,134.59x = 4,958,788.46
  5. Step 5: Solve for x
    x = 4,958,788.46/3,134.59
  6. Step 6: Final answer
    x = 1,581.96

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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.