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Finding the Fourth Proportional to 35,819.40, 53,729.10 and 9,528.20

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Solution

The fourth proportional to 35,819.40, 53,729.10 and 9,528.20 is: 14,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,819.40 : 53,729.10 = 9,528.20 : x
  2. Step 2: Convert to fraction form
    35,819.40/53,729.10 = 9,528.20/x
  3. Step 3: Cross multiply
    35,819.40x = 53,729.10 × 9,528.20
  4. Step 4: Simplify right side
    35,819.40x = 511,941,610.62
  5. Step 5: Solve for x
    x = 511,941,610.62/35,819.40
  6. Step 6: Final answer
    x = 14,292.30

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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.