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Finding the Fourth Proportional to 23,408.60, 32,303.66 and 12,798.20

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Solution

The fourth proportional to 23,408.60, 32,303.66 and 12,798.20 is: 17,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,408.60 : 32,303.66 = 12,798.20 : x
  2. Step 2: Convert to fraction form
    23,408.60/32,303.66 = 12,798.20/x
  3. Step 3: Cross multiply
    23,408.60x = 32,303.66 × 12,798.20
  4. Step 4: Simplify right side
    23,408.60x = 413,428,475.90
  5. Step 5: Solve for x
    x = 413,428,475.90/23,408.60
  6. Step 6: Final answer
    x = 17,661.40

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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.