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Finding the Fourth Proportional to 30,024.42, 45,043.06 and 8,966.12

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Solution

The fourth proportional to 30,024.42, 45,043.06 and 8,966.12 is: 13,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,024.42 : 45,043.06 = 8,966.12 : x
  2. Step 2: Convert to fraction form
    30,024.42/45,043.06 = 8,966.12/x
  3. Step 3: Cross multiply
    30,024.42x = 45,043.06 × 8,966.12
  4. Step 4: Simplify right side
    30,024.42x = 403,861,481.13
  5. Step 5: Solve for x
    x = 403,861,481.13/30,024.42
  6. Step 6: Final answer
    x = 13,451.10

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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.