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Finding the Fourth Proportional to 4,318.48, 6,487.48 and 2,588.32

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Solution

The fourth proportional to 4,318.48, 6,487.48 and 2,588.32 is: 3,888.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.48 : 6,487.48 = 2,588.32 : x
  2. Step 2: Convert to fraction form
    4,318.48/6,487.48 = 2,588.32/x
  3. Step 3: Cross multiply
    4,318.48x = 6,487.48 × 2,588.32
  4. Step 4: Simplify right side
    4,318.48x = 16,791,674.23
  5. Step 5: Solve for x
    x = 16,791,674.23/4,318.48
  6. Step 6: Final answer
    x = 3,888.33

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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.