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Finding the Fourth Proportional to 35,403.32, 53,086.68 and 10,440.19

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Solution

The fourth proportional to 35,403.32, 53,086.68 and 10,440.19 is: 15,654.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,403.32 : 53,086.68 = 10,440.19 : x
  2. Step 2: Convert to fraction form
    35,403.32/53,086.68 = 10,440.19/x
  3. Step 3: Cross multiply
    35,403.32x = 53,086.68 × 10,440.19
  4. Step 4: Simplify right side
    35,403.32x = 554,235,025.67
  5. Step 5: Solve for x
    x = 554,235,025.67/35,403.32
  6. Step 6: Final answer
    x = 15,654.89

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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.