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Finding the Fourth Proportional to 15,798.99, 23,649.21 and 13,437.03

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Solution

The fourth proportional to 15,798.99, 23,649.21 and 13,437.03 is: 20,113.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,798.99 : 23,649.21 = 13,437.03 : x
  2. Step 2: Convert to fraction form
    15,798.99/23,649.21 = 13,437.03/x
  3. Step 3: Cross multiply
    15,798.99x = 23,649.21 × 13,437.03
  4. Step 4: Simplify right side
    15,798.99x = 317,775,144.25
  5. Step 5: Solve for x
    x = 317,775,144.25/15,798.99
  6. Step 6: Final answer
    x = 20,113.64

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