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Finding the Fourth Proportional to 55,662.40, 76,843.68 and 37,852.48

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Solution

The fourth proportional to 55,662.40, 76,843.68 and 37,852.48 is: 52,256.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,662.40 : 76,843.68 = 37,852.48 : x
  2. Step 2: Convert to fraction form
    55,662.40/76,843.68 = 37,852.48/x
  3. Step 3: Cross multiply
    55,662.40x = 76,843.68 × 37,852.48
  4. Step 4: Simplify right side
    55,662.40x = 2,908,723,860.33
  5. Step 5: Solve for x
    x = 2,908,723,860.33/55,662.40
  6. Step 6: Final answer
    x = 52,256.53

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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.