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Finding the Fourth Proportional to 48,343.36, 66,675.36 and 39,945.28

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Solution

The fourth proportional to 48,343.36, 66,675.36 and 39,945.28 is: 55,092.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,343.36 : 66,675.36 = 39,945.28 : x
  2. Step 2: Convert to fraction form
    48,343.36/66,675.36 = 39,945.28/x
  3. Step 3: Cross multiply
    48,343.36x = 66,675.36 × 39,945.28
  4. Step 4: Simplify right side
    48,343.36x = 2,663,365,924.30
  5. Step 5: Solve for x
    x = 2,663,365,924.30/48,343.36
  6. Step 6: Final answer
    x = 55,092.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.