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Finding the Fourth Proportional to 26,868.16, 40,300.18 and 11,069.16

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Solution

The fourth proportional to 26,868.16, 40,300.18 and 11,069.16 is: 16,602.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,868.16 : 40,300.18 = 11,069.16 : x
  2. Step 2: Convert to fraction form
    26,868.16/40,300.18 = 11,069.16/x
  3. Step 3: Cross multiply
    26,868.16x = 40,300.18 × 11,069.16
  4. Step 4: Simplify right side
    26,868.16x = 446,089,023.91
  5. Step 5: Solve for x
    x = 446,089,023.91/26,868.16
  6. Step 6: Final answer
    x = 16,602.89

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Why These Related Problems?

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