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Finding the Fourth Proportional to 10,648.40, 15,972.60 and 6,040.40

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Solution

The fourth proportional to 10,648.40, 15,972.60 and 6,040.40 is: 9,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,648.40 : 15,972.60 = 6,040.40 : x
  2. Step 2: Convert to fraction form
    10,648.40/15,972.60 = 6,040.40/x
  3. Step 3: Cross multiply
    10,648.40x = 15,972.60 × 6,040.40
  4. Step 4: Simplify right side
    10,648.40x = 96,480,893.04
  5. Step 5: Solve for x
    x = 96,480,893.04/10,648.40
  6. Step 6: Final answer
    x = 9,060.60

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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.