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Finding the Fourth Proportional to 41,147.60, 61,699.80 and 14,848.40

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Solution

The fourth proportional to 41,147.60, 61,699.80 and 14,848.40 is: 22,264.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,147.60 : 61,699.80 = 14,848.40 : x
  2. Step 2: Convert to fraction form
    41,147.60/61,699.80 = 14,848.40/x
  3. Step 3: Cross multiply
    41,147.60x = 61,699.80 × 14,848.40
  4. Step 4: Simplify right side
    41,147.60x = 916,143,310.32
  5. Step 5: Solve for x
    x = 916,143,310.32/41,147.60
  6. Step 6: Final answer
    x = 22,264.81

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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.