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Finding the Fourth Proportional to 44,393.67, 66,603.87 and 13,228.92

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Solution

The fourth proportional to 44,393.67, 66,603.87 and 13,228.92 is: 19,847.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,393.67 : 66,603.87 = 13,228.92 : x
  2. Step 2: Convert to fraction form
    44,393.67/66,603.87 = 13,228.92/x
  3. Step 3: Cross multiply
    44,393.67x = 66,603.87 × 13,228.92
  4. Step 4: Simplify right side
    44,393.67x = 881,097,267.92
  5. Step 5: Solve for x
    x = 881,097,267.92/44,393.67
  6. Step 6: Final answer
    x = 19,847.36

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1.5x scale

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.