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Finding the Fourth Proportional to 34,420.70, 51,631.62 and 9,460.59

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Solution

The fourth proportional to 34,420.70, 51,631.62 and 9,460.59 is: 14,191.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,420.70 : 51,631.62 = 9,460.59 : x
  2. Step 2: Convert to fraction form
    34,420.70/51,631.62 = 9,460.59/x
  3. Step 3: Cross multiply
    34,420.70x = 51,631.62 × 9,460.59
  4. Step 4: Simplify right side
    34,420.70x = 488,465,587.86
  5. Step 5: Solve for x
    x = 488,465,587.86/34,420.70
  6. Step 6: Final answer
    x = 14,191.04

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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.