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Finding the Fourth Proportional to 61,159.48, 91,753.68 and 19,037.60

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Solution

The fourth proportional to 61,159.48, 91,753.68 and 19,037.60 is: 28,560.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,159.48 : 91,753.68 = 19,037.60 : x
  2. Step 2: Convert to fraction form
    61,159.48/91,753.68 = 19,037.60/x
  3. Step 3: Cross multiply
    61,159.48x = 91,753.68 × 19,037.60
  4. Step 4: Simplify right side
    61,159.48x = 1,746,769,858.37
  5. Step 5: Solve for x
    x = 1,746,769,858.37/61,159.48
  6. Step 6: Final answer
    x = 28,560.90

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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.