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Finding the Fourth Proportional to 62,477.20, 93,748.20 and 27,420.40

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Solution

The fourth proportional to 62,477.20, 93,748.20 and 27,420.40 is: 41,144.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,477.20 : 93,748.20 = 27,420.40 : x
  2. Step 2: Convert to fraction form
    62,477.20/93,748.20 = 27,420.40/x
  3. Step 3: Cross multiply
    62,477.20x = 93,748.20 × 27,420.40
  4. Step 4: Simplify right side
    62,477.20x = 2,570,613,143.28
  5. Step 5: Solve for x
    x = 2,570,613,143.28/62,477.20
  6. Step 6: Final answer
    x = 41,144.82

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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.