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Finding the Fourth Proportional to 35,219.96, 52,792.80 and 13,019.12

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Solution

The fourth proportional to 35,219.96, 52,792.80 and 13,019.12 is: 19,514.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,219.96 : 52,792.80 = 13,019.12 : x
  2. Step 2: Convert to fraction form
    35,219.96/52,792.80 = 13,019.12/x
  3. Step 3: Cross multiply
    35,219.96x = 52,792.80 × 13,019.12
  4. Step 4: Simplify right side
    35,219.96x = 687,315,798.34
  5. Step 5: Solve for x
    x = 687,315,798.34/35,219.96
  6. Step 6: Final answer
    x = 19,514.95

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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.