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Finding the Fourth Proportional to 29,325.61, 40,468.84 and 16,578.60

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Solution

The fourth proportional to 29,325.61, 40,468.84 and 16,578.60 is: 22,878.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,325.61 : 40,468.84 = 16,578.60 : x
  2. Step 2: Convert to fraction form
    29,325.61/40,468.84 = 16,578.60/x
  3. Step 3: Cross multiply
    29,325.61x = 40,468.84 × 16,578.60
  4. Step 4: Simplify right side
    29,325.61x = 670,916,710.82
  5. Step 5: Solve for x
    x = 670,916,710.82/29,325.61
  6. Step 6: Final answer
    x = 22,878.18

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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.