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Finding the Fourth Proportional to 39,916.60, 59,870.10 and 16,540.60

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Solution

The fourth proportional to 39,916.60, 59,870.10 and 16,540.60 is: 24,808.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,916.60 : 59,870.10 = 16,540.60 : x
  2. Step 2: Convert to fraction form
    39,916.60/59,870.10 = 16,540.60/x
  3. Step 3: Cross multiply
    39,916.60x = 59,870.10 × 16,540.60
  4. Step 4: Simplify right side
    39,916.60x = 990,287,376.06
  5. Step 5: Solve for x
    x = 990,287,376.06/39,916.60
  6. Step 6: Final answer
    x = 24,808.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.