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Finding the Fourth Proportional to 55,324.88, 76,287.84 and 37,388.76

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Solution

The fourth proportional to 55,324.88, 76,287.84 and 37,388.76 is: 51,555.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,324.88 : 76,287.84 = 37,388.76 : x
  2. Step 2: Convert to fraction form
    55,324.88/76,287.84 = 37,388.76/x
  3. Step 3: Cross multiply
    55,324.88x = 76,287.84 × 37,388.76
  4. Step 4: Simplify right side
    55,324.88x = 2,852,307,740.68
  5. Step 5: Solve for x
    x = 2,852,307,740.68/55,324.88
  6. Step 6: Final answer
    x = 51,555.61

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Half scale
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Double scale
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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.