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Finding the Fourth Proportional to 53,355.60, 73,635.87 and 29,483.88

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Solution

The fourth proportional to 53,355.60, 73,635.87 and 29,483.88 is: 40,690.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,355.60 : 73,635.87 = 29,483.88 : x
  2. Step 2: Convert to fraction form
    53,355.60/73,635.87 = 29,483.88/x
  3. Step 3: Cross multiply
    53,355.60x = 73,635.87 × 29,483.88
  4. Step 4: Simplify right side
    53,355.60x = 2,171,071,154.78
  5. Step 5: Solve for x
    x = 2,171,071,154.78/53,355.60
  6. Step 6: Final answer
    x = 40,690.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.