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Finding the Fourth Proportional to 44,647.72, 66,972.06 and 13,483.24

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Solution

The fourth proportional to 44,647.72, 66,972.06 and 13,483.24 is: 20,225.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,647.72 : 66,972.06 = 13,483.24 : x
  2. Step 2: Convert to fraction form
    44,647.72/66,972.06 = 13,483.24/x
  3. Step 3: Cross multiply
    44,647.72x = 66,972.06 × 13,483.24
  4. Step 4: Simplify right side
    44,647.72x = 903,000,358.27
  5. Step 5: Solve for x
    x = 903,000,358.27/44,647.72
  6. Step 6: Final answer
    x = 20,225.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.