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Finding the Fourth Proportional to 44,456.80, 66,696.48 and 13,292.32

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Solution

The fourth proportional to 44,456.80, 66,696.48 and 13,292.32 is: 19,941.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,456.80 : 66,696.48 = 13,292.32 : x
  2. Step 2: Convert to fraction form
    44,456.80/66,696.48 = 13,292.32/x
  3. Step 3: Cross multiply
    44,456.80x = 66,696.48 × 13,292.32
  4. Step 4: Simplify right side
    44,456.80x = 886,550,955.03
  5. Step 5: Solve for x
    x = 886,550,955.03/44,456.80
  6. Step 6: Final answer
    x = 19,941.85

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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.