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Finding the Fourth Proportional to 44,277.02, 66,395.96 and 12,679.91

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Solution

The fourth proportional to 44,277.02, 66,395.96 and 12,679.91 is: 19,014.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,277.02 : 66,395.96 = 12,679.91 : x
  2. Step 2: Convert to fraction form
    44,277.02/66,395.96 = 12,679.91/x
  3. Step 3: Cross multiply
    44,277.02x = 66,395.96 × 12,679.91
  4. Step 4: Simplify right side
    44,277.02x = 841,894,994.85
  5. Step 5: Solve for x
    x = 841,894,994.85/44,277.02
  6. Step 6: Final answer
    x = 19,014.27

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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.