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Finding the Fourth Proportional to 9,009.03, 12,432.69 and 5,652

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Solution

The fourth proportional to 9,009.03, 12,432.69 and 5,652 is: 7,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009.03 : 12,432.69 = 5,652 : x
  2. Step 2: Convert to fraction form
    9,009.03/12,432.69 = 5,652/x
  3. Step 3: Cross multiply
    9,009.03x = 12,432.69 × 5,652
  4. Step 4: Simplify right side
    9,009.03x = 70,269,563.88
  5. Step 5: Solve for x
    x = 70,269,563.88/9,009.03
  6. Step 6: Final answer
    x = 7,799.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.