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Finding the Fourth Proportional to 20,735.01, 28,614.29 and 11,303.57

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Solution

The fourth proportional to 20,735.01, 28,614.29 and 11,303.57 is: 15,598.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,735.01 : 28,614.29 = 11,303.57 : x
  2. Step 2: Convert to fraction form
    20,735.01/28,614.29 = 11,303.57/x
  3. Step 3: Cross multiply
    20,735.01x = 28,614.29 × 11,303.57
  4. Step 4: Simplify right side
    20,735.01x = 323,443,630.02
  5. Step 5: Solve for x
    x = 323,443,630.02/20,735.01
  6. Step 6: Final answer
    x = 15,598.91

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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.