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Finding the Fourth Proportional to 30,466.60, 42,043.62 and 17,037.70

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Solution

The fourth proportional to 30,466.60, 42,043.62 and 17,037.70 is: 23,511.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,466.60 : 42,043.62 = 17,037.70 : x
  2. Step 2: Convert to fraction form
    30,466.60/42,043.62 = 17,037.70/x
  3. Step 3: Cross multiply
    30,466.60x = 42,043.62 × 17,037.70
  4. Step 4: Simplify right side
    30,466.60x = 716,326,584.47
  5. Step 5: Solve for x
    x = 716,326,584.47/30,466.60
  6. Step 6: Final answer
    x = 23,511.86

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