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Finding the Fourth Proportional to 48,614.40, 72,921.60 and 41,097.60

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Solution

The fourth proportional to 48,614.40, 72,921.60 and 41,097.60 is: 61,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,614.40 : 72,921.60 = 41,097.60 : x
  2. Step 2: Convert to fraction form
    48,614.40/72,921.60 = 41,097.60/x
  3. Step 3: Cross multiply
    48,614.40x = 72,921.60 × 41,097.60
  4. Step 4: Simplify right side
    48,614.40x = 2,996,902,748.16
  5. Step 5: Solve for x
    x = 2,996,902,748.16/48,614.40
  6. Step 6: Final answer
    x = 61,646.40

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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.