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Finding the Fourth Proportional to 61,579.59, 92,368.83 and 19,459.68

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Solution

The fourth proportional to 61,579.59, 92,368.83 and 19,459.68 is: 29,189.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,579.59 : 92,368.83 = 19,459.68 : x
  2. Step 2: Convert to fraction form
    61,579.59/92,368.83 = 19,459.68/x
  3. Step 3: Cross multiply
    61,579.59x = 92,368.83 × 19,459.68
  4. Step 4: Simplify right side
    61,579.59x = 1,797,467,733.99
  5. Step 5: Solve for x
    x = 1,797,467,733.99/61,579.59
  6. Step 6: Final answer
    x = 29,189.34

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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.