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Finding the Fourth Proportional to 14,798.22, 20,422.15 and 8,510.60

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Solution

The fourth proportional to 14,798.22, 20,422.15 and 8,510.60 is: 11,744.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,798.22 : 20,422.15 = 8,510.60 : x
  2. Step 2: Convert to fraction form
    14,798.22/20,422.15 = 8,510.60/x
  3. Step 3: Cross multiply
    14,798.22x = 20,422.15 × 8,510.60
  4. Step 4: Simplify right side
    14,798.22x = 173,804,749.79
  5. Step 5: Solve for x
    x = 173,804,749.79/14,798.22
  6. Step 6: Final answer
    x = 11,744.98

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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.