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Finding the Fourth Proportional to 16,668.90, 23,006.16 and 10,708.02

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Solution

The fourth proportional to 16,668.90, 23,006.16 and 10,708.02 is: 14,779.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,668.90 : 23,006.16 = 10,708.02 : x
  2. Step 2: Convert to fraction form
    16,668.90/23,006.16 = 10,708.02/x
  3. Step 3: Cross multiply
    16,668.90x = 23,006.16 × 10,708.02
  4. Step 4: Simplify right side
    16,668.90x = 246,350,421.40
  5. Step 5: Solve for x
    x = 246,350,421.40/16,668.90
  6. Step 6: Final answer
    x = 14,779.04

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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.