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Finding the Fourth Proportional to 5,501.56, 8,253.10 and 1,605.40

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Solution

The fourth proportional to 5,501.56, 8,253.10 and 1,605.40 is: 2,408.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,501.56 : 8,253.10 = 1,605.40 : x
  2. Step 2: Convert to fraction form
    5,501.56/8,253.10 = 1,605.40/x
  3. Step 3: Cross multiply
    5,501.56x = 8,253.10 × 1,605.40
  4. Step 4: Simplify right side
    5,501.56x = 13,249,526.74
  5. Step 5: Solve for x
    x = 13,249,526.74/5,501.56
  6. Step 6: Final answer
    x = 2,408.32

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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.