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Finding the Fourth Proportional to 8,773.96, 13,160.70 and 2,929

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Solution

The fourth proportional to 8,773.96, 13,160.70 and 2,929 is: 4,393.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.96 : 13,160.70 = 2,929 : x
  2. Step 2: Convert to fraction form
    8,773.96/13,160.70 = 2,929/x
  3. Step 3: Cross multiply
    8,773.96x = 13,160.70 × 2,929
  4. Step 4: Simplify right side
    8,773.96x = 38,547,690.30
  5. Step 5: Solve for x
    x = 38,547,690.30/8,773.96
  6. Step 6: Final answer
    x = 4,393.42

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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.